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

$\backslash$table$[[,Q1,Q2,Q3,Q4,$Total$],[$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$