Falcon Co$.$ produces a single product. Its normal selling price is $$28$ per unit. The variable costs are $$16$ per unit. Fixed costs are $$20,900$ for a normal production run of $5,000$ units per month. Falcon received a request for a special order that would not interfere with normal sales. The order was for $1,460$ units with a special price of $$20$ per unit. Falcon has the capacity to handle the special order, and for this order, a variable selling cost of $$2$ per unit would be eliminated. If the order is accepted, the differential effect on profit would be a$($n$)$

a$.$ decrease of $$5,256$

b$.$ increase of $$7,008$

c$.$ increase of $$11,388$

d$.$ increase of $$8,760$