Answer for this anyone?

What is the customer lifetime value of customer Emma Stone for the first three years of the customer relationship? Initial acquisition cost $700 n = number of years retained 3 r = retention rate for each of the n years retained 0.8 Cost of capital 0.1 M1 Margin from customer in year 1 $500 M2 Margin from customer in year 2 $600 M3 Margin from customer in year 3 $650 c1 cost $120 c2 cost $100 c3 cost $100 O A. $940.49 O B. $1,380.00 O C. $240.49 O D. $2,080.00