The current order quantity for Electric Powerbars is $100$ bars. The order cost is $$10$ per order, the holding cost is $$0\mathrm{.}25$ per bar per year, and the annual demand is $2\mathrm{.}000$ bars per year. a$.$

Calculate the annual holding cost plus the annual ordering cost to get the total annual cost when using an order quantity of $100$ bars. b$.$ Calculate the EOQ and the total annual cost for this

Excel. Show the holding cost, ordering cost, and total inventory cost as a function of order size $Q!$