I need the work and answers to problems 2,3, and 4

Problem 2 Darby Company issues a $100,000 on 12/31/20, 15%, bond that matures in 3 years. Interest is paid on December 31" of each year. Prepare all journal entries for all years related to this bond issue if it was priced to yield: 10% 15% 20% Problem 3 Still Darby Company - How about an 8% zero issued on 12/31/20, due in 3 years, face amount of $100,000. How much would you pay? Amortize it. Problem 4 Ryan Company issues a $100,000 on 8/31/20, 10%, bond that matures in 5 years. Interest is paid on August 31 of each year. How much would you pay to yield: 8% 10% 14%