An enterprising college student has decided to purchase a local car wash business. The purchase cost is RO 15,000. Car wash will be priced at RO 5, and variable cost per car (Soap, water, oil, labor and etc.) is expected to equal RO 1.5. a. How many cars must be washed in order to break even? b. How many cars must be washed in order to recover the purchase price RO 15,000? A mineral water company delivers 13000 litres water per day and delivers 5 days a week. The cost of transport for delivery is RO 35000; the delivery cost is 500 baisa per litre (including fuel, labor and etc.). The company sells 800 baisa per litter. a. What is the total cost and revenue if they deliver for x weeks? b. After how many weeks the total cost will be recovered