To maximize profit (or minimize losses), the firm will produce (Hints: calculate TR =P*Q first. Then, calculate MC and MR. Note that the quantity increase by dozen, so you will need to divide the change in TR and TC by 10 to calculate MR and MC. Then, apply the profit maximization rule to find out the maximum quantity where MR >= MC) 20 units. 30 units. 40 units. 50 units