Sunland Hats is planning to sell 648 straw hats in April. Each hat requires kilogram of straw and hour of direct labour. Straw costs $0.20 per kilogram and employees of the company are paid $21 per hour. Sunland has 80 kilograms of straw and 44 hats in beginning inventory and wants to have 55 kilograms of straw and 64 hats in ending inventory. How many units should Sunland Hats produce in April? Select answer from the options below 668 648 604 712