Find the interest rates earned on each of the following. Round each answer to two decimal places. You borrow $750 and promise to pay back $780 at the end of 1 year. % You lend $750 and the borrower promises to pay you $780 at the end of 1 year. % You borrow $95,000 and promise to pay back $267,204 at the end of 12 years. % You borrow $11,000 and promise to make payments of $3,359.50 at the end of each year for 5 years. %

Martha is one producer in the perfectly competitive jelly industry. last year, martha and all of her competitors found themselves earning economic profits. if there is free entry and exit, what do you expect to happen to the number of suppliers in the industry and the price of jelly? the number of suppliers will increase, and the price of jelly will fall. the number of suppliers will decrease, and the price of jelly will increase. the number of suppliers will increase, and the price of jelly will increase. the number of suppliers will decrease, and the price of jelly will fall.