I need a help for all steps of this question:

1-Calculate the CLV based on the following information: Annual profits $250, Retention Rate 100%, Life of customer 4 years, Discount Rate 15%, Acquisition Cost $200 Calculate the

2-CLV based on the following information: Annual Gross profits $750, Cont. Margin 75%, Retention Rate 100%, Life of customer 10 years, Discount Rate 20%, Acquisition Cost $900 Calculate the

3-CLV based on the following information: Annual Revenues as follows: year 1 $1750, year 2 $1500, year 3 $1500, year 4 $1250, years 5-10 $1000. Contribution Margin 50% Retention Rate 100%, Life of customer 10 years, Discount Rate 25%, Acquisition Cost $800.