QUESTION $4(20$ Marks$)$ REQUIRED Use the information provided below to determine the following: $4\mathrm{.}1$ Total ordering costs if discounts are not available $4\mathrm{.}2$ EOQ where discounts are available INFORMATION The following information was provided by ST Suppliers for a product that it sells: Annual demand $36000$ units $(3$ marks$)(17$ marks$)$ Unit cost R$50$ Fixed cost per order R$25$ Annual carrying cost per unit $10\%$ of unit cost Economic order quantity $600$ units The supplier offered a discount scheme as follows: Discount Order size $0\%07994\%8008995\%90011996\%1200+$