Question: 1. (12 × 3 - 8) × (44 - 14) =
2. (68 - 32) - (100 - 84 + 3) =
3. 60 + (36 - 8) × 4 =
4. 4 × (62 ÷ 2) - 8 ÷ (12 ÷ 3) =
5. If a firm produces 600 units of a good at an average cost of £76 and sells them all at a price of £99, what is its total profit?