Given the bill of material for the printer cartridge (A) shown below; a gross requirement

Given the bill of material for the printer cartridge (A) shown below; a gross requirement to build 210 units of A; an on-hand inventory level for enditem A of 60 units; and assuming zero lead-times for all items A, B, C, D, and E, compute the net requirements for each item. Assume all on-hand quantities for items B, C, D, and E are zero. Round your answers to the nearest whole number.