The beginning inventory for Dunne Co. and data on purchases and sales for a three-month period are shown below

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FIFO

1. Determine the inventory on June 30, 2016, and the cost of goods sold for the three-month period, using the first-in, first-out method

The method of inventory costing based on the assumption that the costs of merchandise sold should be charged against revenue in the order in which the costs were incurred.

and the periodic inventory system.

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LIFO

2. Determine the inventory on June 30, 2016, and the cost of goods sold for the three-month period, using the last-in, first-out method

The method of inventory costing based on the assumption that the cost of merchandise sold is the cost of the most recent purchases.

and the periodic inventory system.

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Weighted Average Cost Method

3. Determine the inventory on June 30, 2016, and the cost of goods sold for the three-month period, using the weighted average cost method

The method of inventory costing in which a weighted average unit cost for each item is computed each time a purchase is made.

and the periodic inventory system. Round the weighted average unit cost to the dollar.

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Final Question

4. Compare the gross profit and June 30, 2016, inventories using the following column headings:

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Solution

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A tree is a circuit-free connected graph. A leaf is a vertex of degree 1 in a tree. Show that every tree T = (V, E) has the following properties: (a) There is a unique path between every pair of vertices. (b) Adding any edge creates a cycle. (c) Removing any edge disconnects the graph. (d) Every tree with at least two vertices has at least two leaves. (e) | V |=| E | +1.

A nichrome wire is 15 cm long and has a diameter of 0.25 ??.

a) What is its resistance?

b) If a 3.0 V battery is connected across the wire, how much current flows?

A wire is 0.4 m long and has a diameter of 1.2 × 10−4 ?. When a 3.0 V battery is connected across the wire, a current of 2.0 × 10−3 ? flows. Determine:

c) the resistance of the wire

d) the resistivity of the wire

The Gaia satellite will measure parallaxes with an accuracy of 2 × 10⁻⁵ arcsec for stars with V < 15.
(a) What is the distance d of an M5 I supergiant with log(L/L_ʘ) = 5.50 and BC = −3.70 that has V = 12, if the effect of interstellar extinction is ignored?
(b) What is the relative distance accuracy σ(d)/d of such a star?
(c) Assuming that T_eff is known, what is the relative accuracy in radius σ(R)/R?

A spherical capacitor has vacuum between its conducting shells and a capacitance of 125 pF. The outer shell has inner radius 9.00 cm.

a. If the potential of the inner shell is 355 V higher than the potential of the outer shell, what is the surface charge density on the outer shell?

b. If the potential of the inner shell is 355 V higher than the potential of the outer shell, what is the surface charge density on the inner shell?

Consider a myelinated nerve with axon of radius, a = 10 micrometers, and Myelin sheath of thickness b = 0.4a. A) Calculate the space constant. B) Assume that a potential change of ∆V = 10mV is required to initiate an action potential, and that the distance between two nodes of Ranvier is D = 200a. If the maximum potential change is ∆V = 100mV, how many nodes of Ranvier can be triggered

the specific values are right in the question if you actually read it

Starting with the exact differential for S (entropy, treated as a state function of P, pressure, and T, temperature), the definition of entropy, S, definition of heat, q, and the definition of enthalpy, H, show that

dS= (Cp/T)dT - alpha*V*dP

where

alpha= (1/V)*(dV/dT) when P is held constant

.Using the Helmholtz free energy, A, given by

A=U - TS

express dS in terms of dT and dV

1a) If the ventilation/perfusion ( V/Q) ratio of a lung region decreases, how will the P_O2 and P_CO2 in the blood in that region change?

1b) In perfusion-limited O₂ exchange, is the P_O2 at the end of the pulmonary capillary closer to P_A,O2 or P_V,O2?

1c) Which of the following is/are higher at the base of the lung than at the apex: blood flow, V/Q, ventilation, P_O2, P_CO2?

Please explain your answers briefly and accurately.

Use the following pair of reduction half-reactions to design a galvanic cell. Then write in the proper coefficient for each of the species involved in the overall reaction. Water molecules and protons are not shown in the half-reactions, but may be needed in the overall reaction.

MnO4- (aq) ? MnO2 (s) ?o = 0.59 V NO3- (aq) ? NO (g) ?o = 0.96 V

NO₃^- (aq)
MnO₄^- (aq)
NO (g)
MnO₂ (s)
H⁺ (aq)
H₂O (l)

Let X1,…,Xn∼i.i.d.N(0,σ2), for some σ2>0. Let σ2ˆ=1n∑i=1nX2i,andσ2˜=1n∑i=1n(Xi−Xnbar)2. Argue that both proposed estimators σ2ˆ and σ2˜ below are consistent and asymptotically normal. Then, give their asymptotic variances V(σ2ˆ) and V(σ2˜) and decide if one of them is always bigger than the other. Hint: Use the multivariate Delta method.