Following are the independent situations.

1. Calculate the selling price for 8% bonds with a par value of $567,000 due in 10 years, paying interest on January 1 and July 1 each year, issued at par.

2. Calculate the selling price for bonds with face value of $1,766,000, due in 15 years, paying 7% interest semi-annually, issued at par.

3. Calculate the selling price for bonds with a face value of $781,000 and face rate of 5%, issued to yield 7%, due in 10 years, paying interest semi-annually.

4. Calculate the selling price for 10% bonds with a par value of $5,220,000 and maturity date in 12 years time, paying interest on January 1 and July 1 each year, issued to yield 8%.