People will buy now before prices go higher. Thus the expectation of an increase in the inflation rate will stimulate current aggregate demand.

In the short run, capital is assumed fixed. As more labor is added, output will increase, but due to diminishing returns, it will increase at a decreasing rate. Thus the next worker costs the same amount but adds less to production, increasing the marginal cost of the last unit, and resulting in an upward-sloping marginal cost curve.

C is not true. It is not an absolute requirement. They can be different widths as well as different heights.

A "divide by zero" situation occurs for RS and RSI is set to 100 by definition. Assuming a
1 4-period RSI, this means prices moved higher or remained the same all 14 periods. There were no losses to measure.

Set the calculator in the BGN mode as this is an annuity due. Calculate monthly interest rate:
PMT = 2,500; PV = -130,000; N = 60; CPT I/Y = 0.5%
12
EAR = (1 + .5/100) - 1 = 0.061678 or 6.2%