Good morning,

Please help me with theses exercises. Please explain step by step not just the answer because I want to understand how to get there. Thank you so much!

1. A credit card compounds interest monthly and has an effective annual rate of 12.67%. what is the annual percentage rate?
2. you have two investment account. Investment A is a 15 year annuity that features end of the month $1300 payments and has an interest rate of 7.2% compounded monthly. Investment B is 8% continuously compounded lump sum investments, also good for 15 years. How much money would you need to invest in B today for it to be worth as much as Investment A 15 years from now?
3. Company X has sales 3,100 Total Assets $1,340 Debt/Equity Ratio of 1.20. If its return on equity is 15%, what is its net income?