The cost function for a product in a firm is given by $5 q^{2},$ where $q$ is the amount of production. The firm can sell the product at a market price of $₹ 50$ per unit. The number of units to be produced by the firm such that the profit is maximized is
(A) 5
(B) 10
(C) 15
(D) 25
The cost function for a product in a firm is given by $5 q^{2},$ where $q$ is the amount of production. The firm can sell the product at a market price of $₹ 50$ per unit. The number of units to be produced by the firm such that the profit is maximized is
(A) 5
(B) 10
(C) 15
(D) 25