ShredX makes snowboards. The company's expected quarterly demand is given in the table.

The company will have a beginning inventory of $300$ snowboards as safety stock.

Below is other planning data:

Production cost per unit$=$$$200$ Hiring cost$=$$$500/$worker

Inventory carrying cost$=$$$60$ per unit per quarter Firing cost$=$$$750/$worker

Backorder cost$=$$$100$ per unit per quarter Each worker can produce $100$ units per quarter

Current number of workers $=40$

Level Plan at Average

Quarter Demand Produce Begin Inv End Inv Ave Inv Workers Hire Fire BO

$19000$

$25000$

$37000$

$49000$

Total $30,000$

Plan Cost $=$

Chase Plan

Quarter Demand Produce Begin Inv End Inv End Inv Workers Hire Fire BO

$19000$

$25000$

$37000$

$49000$

Total $30,000$

Plan Cost $=$