please help me with these two questions and please show me how you find the answer for these types of questions thank you

Alpha company purchased a bond investment on January 1, 2017. The bonds have a par of $10,000, pay interest at a 4% annual rate and have years until maturity. What is the total Interest Income that will be reported over the life of the bond investment if the bonds were purchased at 95 and Alpha uses the straight line amortization method? Alpha company purchased a bond investment on January 1, 2017. The bonds have a par of $10,000, pay interest at a 5% annual rate and have 5 years until maturity. What is the total Interest Income that will be reported over the life of the bond investment if the bonds were purchased at 103 and Alpha uses the straight line amortization method