15. A millwright needs an arc welder for a job. The job will take 3 weeks. These are his options: Rent for $24 per day including tax Buy new from Canadian Tire for $599.99 + tax Buy used from Kijiji for $535.00 a) What are the costs associated with each option including tax, if applicable? 2413 = 519 92x3 b) Which is the cheapest, or most economical option? c) Why might the millwright NOT choose the cheapest option? 6. Laptops depreciate by about 28% each year. If a new MacBook Pro costs $1075 to buy new, how much will it be worth in 3 years