Abank
a. is a credit reference letter written by the company's bank.
b. shows the activity that increased or decreased the company's account balance.
c. shows a company the financial position of the bank as of a certain date.
d. is a bill from the bank for services rendered

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.