Please don't use excel! It would be nice if you could explain the answer in detail. Please do not copy paste from other replies.

P4. M. P. Van Oyen Manufacturing has gone out on bid for a regulator component. Expected demand is 700 units per month. The item can be purchased from either Emre Manufacturing or Cakmak Manufacturing. Their price lists are shown in the table. Ordering cost is $50, and annual holding cost per unit is multiplication of interest rate (%20) and product price. (Interest rate: %20 ) a) What is the economic order quantity? b) Which supplier should be used? Why? ) What is the optimal order quantity and total annual cost of ordering, purchasing, and holding the omponent