Pembroke company needs 1,000 electric drills per year. The ordering cost for these is $100 per order, and the carrying cost is assumed to be 20% of the per unit cost. In orders of less than 120 drills, the cost is $100. For orders of greater than or equal to 120 but less than 140 drills, the cost is $80. However, for orders of 140 or more, the cost drops to $60 per unit. Should the company take advantage of the quantity discount? Show your work.