Bramble, Inc. can produce 100 units of a component part with the following costs: Direct Materials $30000 Direct Labour 12100 Variable Overhead 32300 Fixed Overhead 21800 If Bramble Inc. purchases the units externally for $80100, by what amount will its total costs change? Fixed costs are not avoidable if the company purchases externally. an increase of $80100 an increase of $5700 a decrease of $21800 an increase of $17900 Marigold Company has old inventory on hand that cost $12100. Its scrap value is $15900. The inventory could be sold for $37500 if manufactured further at an additional cost of $12100. What should Marigold do? Manufacture further and sell it for $37500. Hold the inventory, at its $12100 cost. Sell the inventory for $15900 scrap value. Dispose of the inventory to avoid any further decline in value