please answer it by pc

9. Sil Enterprises manufactures a special product X The following particulars were collected for the year 2019. Monthly demand of X. 15 000 units Cost of placing an order OMR 100 Annual carrying cost per unitOMR 150 Normal usage 600 units per week | Maximum usage 850units per week Minimum usage 350 units per week Reorder period 4 to 6 weeks Compute from the above: (a) Reorder quantity, (b) Reorder level, (c) Minimum level, (d) Maximum level, and (e) Average stock level