$\backslash$table$[[,$Costs$],[$Previous quarter's output,$1,500$ units$],[$Beginning inventory,$0$ units$],[$Stockout cost for backorders,$$50$ per unit$],[$Inventory holding cost,$$10$ per unit for every unit held$],[,$at the end of the quarter$],[$Hiring workers,$$40$ per unit$],[$Layoff workers,$$80$ per unit$],[$Unit cost$,$$$30$ per unit$],[$Overtime$,$$$15$ extra per unit$],[$Subcontracting$,$Not available$]]$

a$)$ Use Chase Demand Strategy

b$)$ Use Level Production Strategy with Backordering