allison's auto art is a company that applies pinstripes to vehicles. allison's cost for a basic 1minus−color pinstriping job is $35, and she charges $95 for this service. for a total price of $175, allison will apply a fancier 3minus−color pinstripe application to an automobile, a service that adds an additional $40 to the total cost of the package. what is the marginal cost of moving up from the 1minus−color application to the 3minus−color application?

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