Firm: FedEx 140 accounts in the advertising industry use 2,285 Courier Packs (CP) per month CP price is $12.50 and variable cost is $4.25 Retention rate=0.9, discount rate=12% What is the maximum FedEx should be willing to spend to acquire anew account in this industry?

use the equation: CLV = M ( [1+d] \ [ 1+d-r]) - AC

Please show work