a) If a firm buys a T-Bill whose remaining time to maturity is 67 days and whose face value is 1 000 000 TL by paying 968 000 TL, what may be the annual return that this firm gains? b) A firm which has AA rating issues commercial paper with a face value of 5 000 000 and a maturity of 80 days. The firm sells these commercial papers at the price of 4 820 000. The firm also pays a commision of 0.5% to the brokerage firm which assumes the responsibility of selling them in the financial markets. Given this; what is the annual cost of issuing commercial paper for this firm?