Suppose that a firm's output increases from 525 to 625 units and its total cost increases from $57,750 to $75,000, and if the price of inputs and technology remain unchanged, is
the firm operating in the downward sloping or upward sloping part of the long-run
average cost curve?

The monthly payment m of a loan of amount p for y years with an interest rate r can be calculated by the formula: m = p(r/12) 1 â’ (1 + r/12)â’12y calculate the monthly payment and the cummulative total payment for a $100,000 loan with an interest rate of 4.85% if taken out for 10 years, for 11 years, etc., up to a 30 year term. display the results in a three-column table where the first column is the number of years, the second is the monthly payment, and the third is the cummulative total payment. note: use format bank; for this problem. also, remember to represent the interest rate as a decimal (e.g. 0.0485) 2. a torus-shaped water tube is designed to have a volume of 8, 000in3 . the volume of the tube, v , and its surface area, s, are given by: v = 1 4 ď€ 2 (a + b)(b â’ a) 2 s = ď€ 2 (b 2 â’ a 2 ) if a = kb, determine s, a, and b for k = 0.2, 0.3, 0.7. display the results in a table

Suppose that the world price of steel is $100 a ton, india does not trade internationally, and the equilibrium price of steel in india is $60 a ton. suppose that india now begins to trade internationally. the price of steel in india the quantity of steel produced in india a. does not change; does not change b. falls; increases c. falls; decreases d. rises; decreases e. rises; increases the quantity of steel bought by india india steel. a. increases; exports b. decreases; imports c. decreases; exports d. does not change; neither imports nor exports e. increases; imports

10. which of the following is true regarding preretirement inflation? a. defined-benefit plans provide more inflation protection than defined-contribution plans. b. because of preretirement inflation, possible investment-related growth is increased for defined-contribution plans. c. all types of benefits are designed to cope with preretirement inflation. d. preretirement inflation is generally reflected in the increase in an employee's compensation level over a working career.