Please answer both questions, not just the first one, and provide workings. I will upvote for accurate answers. Thank you!

24 A manager must decide how many machines of a certain type to purchase. Each machine can process 100 customers per day. One machine will result in a fixed cost of $2,100 per day, while two machines will result in a fixed cost of $3,900 per day. Variable costs will be $15 per customer, and revenue will be $45 per customer. a. Determine the break-even point for each range. (Round your answers to the next whole number.) 4 points One machine Two machines b. If estimated demand is 90 to 120 customers per day, how many machines should be purchased? 25 Remodeling an office will cost $24,000 and will generate savings of $3,000 the first year, $5,000 the second year, and $8,000 per year thereafter. How long will it take to recoup the initial cost of remodeling? (Round your answer to a whole number.) Years 4 points