Please help me answer this question:

Bob is a local entrepreneur with several successful business operations. He is currently preparing a business plan for a new product idea for energy savings in the home. His product will sell for $25 and he is considering two different machine options for the production. The first machine option has variable costs of $20 and annual fixed costs of $60,000; the second machine option has variable costs of $17 and annual fixed costs of $75,000. a) Determine the breakeven quantity for each option. b) At what quantity would Bob be indifferent between the two options? What would be the profit (loss) at this level? c) If expected demand is 15,000 units per year, which option would generate the higher profit? d) Bob has two friends, Tom and Gerry, who each have production facilities and have offered to produce Bob's product for him. Tom has offered a price of $24 per unit and no annual fee but he only has capacity for 20,000 units; Gerry has offered a price of $18 per unit plus an annual fee of $50,000. If annual demand is expected to be 15,000 units, determine the best of the four options available for Bob. (Hint: calculate expected profit) e) Bob's son has suggested that he should market his product on social media; he thinks that this type of marketing will double demand to 30,000 annually. At this level of demand, which of the four options should Bob choose