Dernea Gardening sells wheelbarrows. A wheelbarrow costs $6.94 to produce and it sells for $42.50. The company employs two salespeople, each of whom earns a different commission per wheelbarrow sold, as shown in the table below. The company's expenses last month, not counting production costs or commissions, totaled $524.24. How much profit did Dernea Gardening make from the sales of wheelbarrows last month? a. $3,570 b. $1,886 c. $1,684 d. $2,208 Please sel