PLEASE EXPLAIN CHECK IF I AM CORRECT. THANK YOU.

1. A bond issue for 10,000,000 with an 6% coupon, with interest paid semiannually. The bond is for 20 years. The market rate of interest is 8%

FV: -10,000,000

PV: ? 8,020,722.61

PMT : 600,000/2 =300,000

I/Y: 8%/2= 4

N: 20 X 2 = 40

1. A bond issue for 10,000,000 with a 12% coupon paid semiannually. The bond is for 10 years. The market rate of interest is 11%.

FV: -10,000,000

PV: ? 4,805,400.70

PMT : 1,200,000/2= 600,000

I/Y: 11%/2= 6.5

N: 10/2= 5

1. A zero coupon bond issue for 10,000,000. The bond is for 15 years and the market rate of interest is 7%.

FV: -10,000,000

PV: ? - 87,454,679.85

PMT :10,000,000

I/Y: 7

N: 15