please show all numbers for N, I/Y, PV, PMT, and FV inputed on your financial calculator.

Luther Industries needs to raise $250 million to fund a new investment. The company plans on issuing 20-year, $1,000 par value, 5.20% coupon bonds. If each bond is priced to yield 4.20% and will pay interest semi-annually, what is the number of bonds that Luther Industries must issue to raise the needed twoney (since the company cannot issue a fraction of a bond, round your answer to the nearest whole number)