Based on the following Sales and Operations Plan, what type of strategy is used?

$\backslash$table$[[,,$Q$1,$Q$2,$Q$3,$Q$4,$otal$],[$Production Requirement,$2500,3200,2400,3900,12000,],[,,,,,,],[$Workers$,120,125,160,120,195,],[$Hires$,5,35,,75,,],[$Layoffs$,,,,40,,],[$Production$,2500,3200,2400,3900,,],[$Ending Inventory $(500),500,500,500,500,,],[$Backorder$,,,,,,],[,,,,,,],[$Labor cost$,$$$1,250,000,$$$1,600,000,$$$1,200,000,$$$1,950,000,$$$6,000,000,],[$Inventory holding cost,$$150,000,$$$150,000,$$$150,000,$$$150,000,$$$600,000,],[$Backorder cost$,$$$0,$$$0,$$$0,$$$0,$$$0,],[$Hiring cost$,$$$25,000,$$$175,000,$$$0,$$$375,000,$$$575,000,],[$Layoff cost$,$$$0,$$$0,$$$400,000,$$$0,$$$400,000,],[,,,,,$$$7,575,000,]]$

Level Strategy

Chase Strategy

Dynamic Strategy

Optimal Strategy