To earn a profit, the revenue must be greater than the cost. the revenue for selling x units of an item is r = 26.05x. the cost to make x units is c = 1,500 + 16.75x. the owner claims she had a profit today because they made and sold 183 units of the item. is her claim true? yes, because r > c when x = 183. yes, because r < c when x = 183. no, because r > c when x = 183. no, because r < c when x = 183.