Mimi is granted a license to sell her unique Spirit Pins at local high school lacrosse games. When Mimi prices her pins at $10, she sells 20 pins per game. When she lowers her price to $8, she sells 40 pins. The additional money she earns from dropping her price is known as the . a. Output effect
b. Price effect
c. Marginal revenue
d. Opportunity cost

Carey company is borrowing $225,000 for one year at 9.5 percent from second intrastate bank. the bank requires a 15 percent compensating balance. the principal refers to funds the firm can effectively utilize (amount borrowed − compensating balance). a. what is the effective rate of interest? (use a 360-day year. input your answer as a percent rounded to 2 decimal places.) b. what would the effective rate be if carey were required to make 12 equal monthly payments to retire the loan?