pls solve i dont have much time only 20 min

Part 5(20 minutes, 6 points) Evan and Brett are students at Berkelev Coll. Brett is considerino ...L. ment that is owned by Brett. llowing packages available: Evan spends spend his timis taiking on the phone rather than ( everything can be found online now"). Brett prefers t th They agree that the purchase of the $90 total using the Internet ("going online is a waste of time") Required: Allocate the $90 between Evan and Brett using (a) the stand-alone cost-allocation method, (b) the incremental cost-allocation method, (c) the Shapley value method