c$.$ How many gallons should Joe order from his supplier with each order to minimize the sum of the ordering and holding costs?

Number of gallons

$1,525$

d$.$ Suppose Joe orders $2,250$ gallons each time he places an order with the supplier. What is the sum of the ordering and holding costs per gallon?

Note: Round your answer to $3$ decimal places.

Costs

$

$0\mathrm{.}042$

per gallon

e$.$ Suppose Joe orders the quantity from part $($c$)$ that minimizes the sum ond ordering and holding costs each time he places an order with the supplier. What is the annual cost of the EOQ expressed as a percentage of the annual purchase cost?

Note: Round your answer to $2$ decimal places.

Costs

$3\mathrm{.}94\%$