This is actually a case of exponential growth. You have to multiply your greens by 25(5/blue) and the whites by another 5 (5 for each of the 25 greens). There is a small arithmetic error as well. So to correct the numbers: 1(5000) + 5(2500) + 25(500) = 30k dil so one purple BOFF costing now 30k dilithium and 125 white…