Farmfresh sells $750$ units per month of watermelon.

The unit cost of a watermelon to the store is Rs$,11$

and the cost of placing order is $l_x\mathrm{.}64.$ Farmfresh

uses an inventrory carrying charge of $15\%$ per $y$ ear.

Determine the optimal order quantidy, order frequency,

and the annual cost of inventory management.

If$,$ through automation of the purchasing process, the

ordering cost can be cut to Rt$\mathrm{.}28,$ what will be the

new economic order quantity, order frequency, and

annual inventory mamagement cost? Explain there

rescelts.