Columbia Construction Company earned $497,000 during the year ended June 30, 2013. After paying out $225,794 in dividends, the balance went into retained earnings. If the firm's total retained earnings were $847,434, what were the retained earnings on its balance sheet on July 1, 2012?

Balance of retained earnings, July 1, 2012: $

Mr. Imtihaz is experienced store keeper in Al Falah Civil Engineering LLC. He is responsible for purchase of required material for constructions. According to you what should be his basic responsibilities for maintaining the record of purchases of construction material.

You are required to write 5 responsibilities of Mr. Imtihaz regarding the purchase ledger, supplier details, material details etc.

A construction company signed a loan contract at 6.73​%compoundedannually​, with the provision to pay​ $785 at the end of each month for three years.

​(a) What is the amount of the​ loan?

​(b) How much will be owed at the end of nineteen ​months?

​(c) How much of the principal will be repaid within the first nineteen ​months?

​(d) How much interest is paid during the first nineteen months

In your own words, but supported by facts and examples, explain how the theories in Group 1 differ from those in Group 2.

GROUP 1

social exchange

age stratification

political economy

social construction

social phenomenology

feminist gerontology

life course perspective

GROUP 2

Activity

Disengagement

Continuity

(Minimum 2 paragraphs) ASAP.

1. What is meant when we say that two variables have a strong positive (or negative) linear correlation? Is it possible that two variables could be strongly related but have a low linear correlation? Can you give an example?

2. Give a very general description of how the least-squares criterion is involved in the construction of the least squares line.

A contractor was doing the 10-year planning for a construction business, which uses a MARR of 15% per year. The contractor anticipates income of $150,000 per year for years 1-5, and income of $200,000 per year for years 6-10.

1. Draw the cash flow diagram.
2. What is the future value (in year 10) of the income? (show steps and calculations)

1. A company manufactures concrete blocks for construction purposes. We know that the weights of the individual concrete blocks are normally distributed with a mean value of 11 kg, and a standard deviation of 0.3 kg.

1. The company can be 99% confident that the any randomly selected concrete block has a weight within the interval
2. The probability that a concrete block weighs less than 10.5 kg is