You are a project manager who has been assigned to a new project that would require  “Porting of the existing backend server code-base that currently runs on the OS platform ABC to another OS platform XYZ so that the backend sever code-base would run on XYZ OS platform as well the OS platform ABC, when finished”.  Both of the OS platforms are used heavily by the company and are well understood by the technical staff. The functionalities would remain the same and there will not be any new requirements for changes or enhancements. You would have the right amount of qualified resources to work on the project. This project will take around 3 months and the budget will be fixed. What SDLC would you choose and why? Please input around 200 words

please solve quickly. Waste heat from a chemical reactor is to run a boiler in a Rankine power cycle. The working fluid in the cycle is water. The boiler generates steam which exits at 300 psia and 1200°F. The condenser in the cycle runs at 3 psia, producing a saturated liquid. The turbine and the pump can be considered adiabatic and reversible. Assume the pump is driven by the turbinea.

a) Calculate the net work produced by the cycle, in Btu/lbm of steam. Wt=-524btu/lbm
b) What is the thermal efficiency of the process?
c) What percent of the heat entering the boiler is discharged from the condenser?

d) Carefully sketch a T-S diagram of this cycle, showing the temperatures of the streams between the processing units, and their locations relative to the phase boundaries. Label all axes.

1. Write a program that prompts the user enter a word, and determines the first half and second half of the word. Print the first and second half of the word on different lines. Sample runs of the program are shown below. Note: If the word is an odd number of letters, the first half should contain fewer letters (as shown in sample run #2)

SAMPLE PROGRAM RUN #1                    

Enter a word: carrot

First half: car

Second half: rot

SAMPLE PROGRAM RUN #2                            

Enter a word: plant

First half: pl

Second half: ant

Complete your answer by typing code below

import java.util.Scanner;

public class WordHalves

{

public static void main(String[] args)

{

Scanner reader = new Scanner(System.in);

System.out.print("Enter a word: ");

String word = reader.nextLine();

}

}

1. Please state whether each of the following statements is TRUE or FALSE, and then explain your choice briefly.

   Please start your answer by writing either TRUE or FALSE. Answers without that clear statement at the beginning, and with excessively long (more than 2-3 short sentences) explanations will be penalized.

   1. Banks can still influence the money supply if they are required to hold all deposits in reserve.

   2. In the months of November and December, people in the U.S. hold a larger part of their money in the form of currency because they intend to shop and travel for the holidays. As a result, other things the same, the money supply increases.

   3. Bank runs are only a concern under a fractional reserve banking system.

   4. The money multiplier is lower when bankers are more cautious and hold excess reserves.

PART 1

Two methods are compared to inoculate or infect a corn fungus strain known as huitlacoche. In a first stage of the study, the experimenter wants to determine which of the methods generates the highest percentage of infection. The method A consists in cutting the tip of the ear to apply the strain, and in the method B the strain is injected transversely. Of 41 ears inoculated with the method A, 20 were infected, that is, they generated huitlacoche; Meanwhile, 38 ears of corn inoculated with the method B they became infected 27.

Part 2

With respect to the problem described in part 1, the best method of inoculation was applied to two varieties of maize in two locations. Once the ear is infected, it is important to measure the final percentage of the surface of the ear that was covered by the fungus, as well as the weight in grams of the huitlacoche. The results for variety 2 of maize, obtained in 15 ears of Texcoco and in 15 ears of Celaya are the same as in the table in part 1.

a) Can we say that the percentage of coverage of the fungus is higher in Celaya than in Texcoco? Test the appropriate hypothesis for the means

b) Use a scatter diagram (graph type X-Y) to verify if there is a linear relationship between the percentage of coverage of the ear with grams of huitlacoche.

c) Ignore the coverage and test the equality of the average production of huitlacoche in the two locations.

d) It is evident that the greater the coverage, the greater the production of huitlacoche, would there be a way of knowing with these data whether a similar production of huitlacoche in both locations corresponds to the same coverage? Argue your answer.

Note: The exercises must be solved in two ways. The first is without using the excel data analysis and the second using the excel data analysis. Remember that you have to show step by step explaining clearly.

6.

COST OF COMMON EQUITY

The future earnings, dividends, and common stock price of Callahan Technologies Inc. are expected to grow 8% per year. Callahan's common stock currently sells for $24.50 per share; its last dividend was $2.50; and it will pay a $2.70 dividend at the end of the current year.

Using the DCF approach, what is its cost of common equity? Round your answer to two decimal places. Do not round your intermediate calculations.
%

If the firm's beta is 1.40, the risk-free rate is 5%, and the average return on the market is 13%, what will be the firm's cost of common equity using the CAPM approach? Round your answer to two decimal places.
%

If the firm's bonds earn a return of 8%, based on the bond-yield-plus-risk-premium approach, what will be rs? Use the midpoint of the risk premium range discussed in Section 10-5 in your calculations. Round your answer to two decimal places.
%

If you have equal confidence in the inputs used for the three approaches, what is your estimate of Callahan's cost of common equity? Round your answer to two decimal places. Do not round your intermediate calculations.
%

The future earnings, dividends, and common stock price of Callahan Technologies Inc. are expected to grow 8% per year. Callahan's common stock currently sells for $26.25 per share; its last dividend was $1.50; and it will pay a $1.62 dividend at the end of the current year.

A. Using the DCF approach, what is its cost of common equity? Round your answer to two decimal places. Do not round your intermediate calculations.

B. If the firm's beta is 2.20, the risk-free rate is 4%, and the average return on the market is 14%, what will be the firm's cost of common equity using the CAPM approach? Round your answer to two decimal places.

C. If the firm's bonds earn a return of 8%, based on the bond-yield-plus-risk-premium approach, what will be r_s? Use the midpoint of the risk premium range discussed in Section 10-5 in your calculations. Round your answer to two decimal places.

D. If you have equal confidence in the inputs used for the three approaches, what is your estimate of Callahan's cost of common equity? Round your answer to two decimal places. Do not round your intermediate calculations.

Dean Kuroff started a business of rehabbing old homes. He recently purchased a circa-1800 Victorian mansion and converted it into a three-family residence. Recently, one of his tenants complained that the refrigerator was not working properly. Dean’s cash flow was not extensive, so he was not excited about purchasing a new refrigerator. He is considering two other options: purchase a used refrigerator or repair the current unit. He can purchase a new one for $400, and it will easily last 3 years. If he repairs the current one, he estimates a repair cost of $150, but he also believes that there is only a 30% chance that it will last a full 3 years and he will end up purchasing a new one anyway. If he buys a used refrigerator for $200, he estimates that there is a 0.6 probability that it will last at least 3 years. If it breaks down, he will still have the option of buying a new one. Develop a decision tree for this situation and determine Dean’s optimal strategy.