Duncan Manufacturing Inc. has $240,000 of 11% debenture bonds outstanding. The bonds were issued at 110 in 2020 and mature in 2040 Requirements 1. How much cash did Duncan receive when it issued these bonds? 2. How much cash in total wil Duncan pay the bondholders through the maturity date of the bonds? 3. Take the difference between your answers to Requirements 1 and 2. This difference represents Duncan's total interest expense over the life of the bonds. 4. Compute Duncan's annual interest expense by the straight-line amortization method. Multiply this amount by 20. Your 20-year total should be the same as your answer to Requirement 3. Requirement 1. How much cash did Duncan receive when it issued these bonds? Duncan Manufacturing Inc, received at bond issuance. Requirement 2. How much cash in total will Duncan pay the bondholders through the maturity date of the bonds? Duncan Manufacturing Inc. will pay the bondholders through the maturity date of the bonds. Requirement 3. Take the difference between your answers to Requirements 1 and 2. This difference represents Duncan's total interest expense over the life of the bonds. The difference between your answers to Requirements 1 and 2 isso Requirement 4. Compute Duncan's annual interest expense by the straight-line amortization method. Multiply this amount by 20. Your 20-year total should be the same as your answer to Requirement 3. Duncan's annual interest expense by the straight-line amortization method is $ Multiply the annual interest expense by 20:50