B$.$ ENGINEWORKS prefers to avoid backorders. As an alternative, they would like to try using a chase Strategy. Their current staffing levels have them able to produce $1,250$ units per month using regular labour. They can work overtime only one Saturday per month to produce an extra $50$ units per day. They can subcontract up to $200$ units per month. Overtime units are $$325$ each. Subcontracted units are $$375$ each. $*$Beginning inventory is $100$ units. Backorder costs are $$70$ per unit per month. Inventory holding costs are $$45$ per unit per month. Regular labour is $$225$ per unit.