29. Discount-Mart issued ten thousand $1,000 bonds on January 1, 2021. The bonds have a 10-year term and pay interest semiannually. This is the partial bond amortization schedule for the bonds. Effective Payment Decrease in Balance Cash Interest Outstanding Balance 8,640,967 1 300,000 345,639 45,639 8,686,606 2 300,000 347,464 47,464 8,734,070 3 300,000 349,363 49,363 8,783,433 4 300,000 What would be the total interest cost of the bonds over their full term? A. $1,359,033 B. $4,640,967. C. $6,000,000 D. $7,359,033