How did they calculate allocated cost

FLIGHT A FLIGHT 350 615 FLIGHT 3 1 Go GALS 20 G EXISTING SCHEME, DETERMINE THE OVE OR FLIGHTS A, B, AND C. 2 ED AT 7.00 PER K1.00 OF PILOT SALAF TOTAL NON-SALARY COSTS OF K 2,45 ) BY THE PILOT SALARIES OF $350 CARE PRICED AS FOLLOWS. FLIGHT A 350 FLIGHT 61 2,450 4,30 2,800 49 x1.50 x) 150% 4,200 7