Pleasesolve these problems:

1. Michael's Mechanical sells 6,000 jettison machines annually. Each machine costs Michael's $2000 to purchase, inventory carrying costs are 30% of the purchase price, and the cost of placing an order with its supplier is $120.(a)What is the EOQ?(b)What is the total inventory cost at the EOQ?

2. PC Calculators sell calculators that it purchases for $15 each. It costs PC $60 each time calculators are ordered, and carrying costs are 20% of the calculator's purchase price. Annual demand is 100,000 calculators.(a)Compute the EOQ.(b)Compute the inventory costs if PC orders are at(i)the EOQ amount,(ii)1000 calculators,(iii)2500 calculators.

3. Media Moguls (M&M) normally sells (T) 240,000 units per year. It cost (PP) M&M $52 to purchase each unit, the (C)carryingcosts equal 15% of the unit's purchase price. (O) Ordering cost per order is $260.(a)What is the EOQ?(b)How many orders should M&M place each year?