9.) Sarah owns a hot-dog stand that she operates in downtown Winnipeg at lunchtime, five days a week, from the beginning of April to the end of October. The details of her business follow: - Wieners cost $2.25 for a package of 8 and buns cost $1.50 for a package of 8. She buys 4 packages each day for 5 days. - Condiments (ketchup, mustard, etc.) cost $15 per week. - Other costs such as propane and signage costs are, on average, $8 per week. - Hot dogs are sold at $2.00 each. a.) Calculate the number of hot dogs that must be sold to break even each week. b.) What will be the weekly profit if Sarah sells 30 hot dogs each day? c.) List two ways Sarah could increase the profitability of the business