Falcon Co. produces a single product. Its normal selling price is $30 per unit. The variable costs are $16 per unit, Fixed costs are $20,700 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 1,690 units with a special price of $21 per unit. Falcon has the capacity to handie 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. increase of $11,830 b. decrease of 57,098 c. increase of $9,464 d. increase of $15,379