Pharoah Corporation currently manufactures 2,900 staplers annually for its main product. The costs per stapler are as follow5: Gallup Company has contacted Pharoah with an offer to sell it 2.900 staplers for $18 each. $5 of the fixed overhead per unit is unavoidable. Incremental savings on direct materials Incremental savings on direct labor Incremental savings on variable manufacturing overhead Incremental savings on fixed manufacturing overhead Incremental savings on fixed manufacturing overhead Incremental cost to make Incremental net cost to buy Incremental cost to buy Incremental savings on direct labor Incremental cost tomake Incremental savings on direct materials Incremental net cost to make Incremental savings on fixed manufacturing overhead Incremental savings on variable manufacturing overhead