Which bond or bonds' prices cannot be correct? Don't do any calculations. Assume face value of $1,000. Select all that apply.

a. Price: $1,015

Coupon rate: 8%

YTM: 9%

b. Price: $1,000

Coupon rate:5%

YTM: 5%

c. Price: $871

Coupon rate: 4%

YTM: 5.5%

d. Price: $972

Coupon rate: 6%

YTM: 4%

e. Price: $1,011

Coupon rate: 5%

YTM: 4%