For an economist, the idea of making assumptions is regarded generally as a a. bad idea, since doing so leads to the omission of important ideas and variables from economic models. b. bad idea, since doing so invariably leads to data-collection problems. c. good idea, since economic analysis without assumptions leads to complicated results that the general public finds hard to understand. d. good idea, since doing so to simplify the complex world and make it easier to understand.

Biochemical corp. requires $600,000 in financing over the next three years. the firm can borrow the funds for three years at 10.80 percent interest per year. the ceo decides to do a forecast and predicts that if she utilizes short-term financing instead, she will pay 7.50 percent interest in the first year, 12.15 percent interest in the second year, and 8.25 percent interest in the third year. assume interest is paid in full at the end of each year. a)determine the total interest cost under each plan. a) long term fixed rate: b) short term fixed rate: b) which plan is less costly? a) long term fixed rate plan b) short term variable rate plan