Can you please help me with the problems I have circled? thank you

s $20,000 terms crease se to g (DSO) (no bad debts exist), but, as a result of the cash discount offered with the new terms, sa expected to increase from $300,000t year. NWT's variable cost ratio is 80 percent cost of funds is 9 percent. All production co paid on the day of the sale. Should NWT cha credit terms? o 3396,000 and ts costs a are olic 15-15 Michael's Mechanical sells 6,000 jettison machi AWE eceiv- sid 25 annually, Each machine costs Michael's $2,000 purchase, inventory carrying costs are 45 percent of the purchase price, and the cost of placing an order with its supplier is $120. (a) What is the E00 (b) What is the total inventory cost at the EOQ level? 15-16 PC Calculators sells calculators that it purchases for $15 each.It costs PC $60 each time calculators are ordered, and carrying costs are 20 percent of th culator's purchase price. Annual demand is 100,000 calculators. (a) Compute the EOQ. (b) Compute inventory costs if PC orders () the EOQ amount (i) 1,000 calculators, and (i) 2,500 calculators line al eriod 15-17 Media Moguls (M&M) normally sells 240,000 uni per year. It costs M&M $52 to purchase each unit the fixed cost of ordering is $260, and the carrying costs equal 15 percent of the unit's purchase pric (a) What is the EOQ? (b) How many orders should M&M place each year? rat 15-18 Befer to the information provided for M&M in Problem 15-17. Suppose that M&M must place orders in increments of 5,000 units and that it takes three days for each order to be delivered. (a) How many orders should M&M place each year? (b) At what inventory level should an order be placed? 15-19 Roybow Corporation sells lawn mowers that cost $160 each to purchase and prepare for sale. Annual sales are 5,000 mowers, carrying costs are 20 percen of inventory costs, and Roybow incurs a cost of $32 each time an order is placed. (a) What is the EOQ for the mowers? (b) What will be the total inventory costs if the EOQ amount is ordered? 15-20 Refer to the information provided for Roybow Corporation in Problem 15-1 S