Lan Shields Communications, Inc., a cellular communications provider based in Michigan, charges $82 per month for an all you can talk service plan. The company plans to increase marketing expenditure next year, but wants to determine the current CLV before making this decision. Variable costs before marketing are $35 per account per month and monthly retention expenditures are $11 per account. Lan Shields Communication annual attrition rate is 24%, with an annual discount rate of 12%. A) What is the monthly contribution margin (S) per customer account not including retention costs?
B) What is the appropriate monthly discount rate?
C) What is the annual retention rate?
D) What is the monthly retention rate?
E) What is la n Shields Communications' CLV per current customer?

Rate of return douglas keel, a financial analyst for orange industries, wishes to estimate the rate of return for two similar-risk investments, x and y. douglas's research indicates that the immediate past returns will serve as reasonable estimates of future returns. a year earlier, investment x had a market value of $27 comma 000; and investment y had a market value of $46 comma 000. during the year, investment x generated cash flow of $2 comma 025 and investment y generated cash flow of $ 6 comma 770. the current market values of investments x and y are $28 comma 582 and $46 comma 000, respectively. a. calculate the expected rate of return on investments x and y using the most recent year's data. b. assuming that the two investments are equally risky, which one should douglas recommend? why?