Fresh Laundry Is a Firm That Produces Laundry Detergent

Fresh Laundry is a firm that produces laundry detergent. The table above summarizes Fresh Laundry's product quality marg revenue and marginal cost at various quality levels.
-Refer to the table above. If Fresh Laundry is currently producing 10 quality units, to maximize profit, Fresh Laundry should the number of quality units as the current quality marginal revenue is its marginal cost.

A) maintain; equal to
B) decrease; less than
C) decrease; equal to
D) maintain; less than