could you please answer 3 of these, thank you very much.

Monash Ltd owns and operates a cricket bat manufacturing plant. The business sold each bat for $80. The fixed plant and equipment costs are $120,000 per annum. Producing each bat incurs $35 of labour cost and $15 of materials. The break-even point in units) for the Monash Ltd is to the nearest number - round it up); Eg: 1999.1 becomes 2000 Answer: Next page An opportunity costs are: Select one: on O a. Forgoing benefits if resources had been used in the best alternative. O b. Economic measures and therefore not relevant to decision making. O c. Different under alternative courses of action O d. Additional costs incurred for each additional unit If the tax rate is 30% and after-tax profit is $80 000, before-tax profit is: Select one: O a. $266,667 O b. $114,286 O c. $104,000 O d. $56,000