9. A restaurant owner has lease payment of $3000/month, utility cost $600/month. Two employees work with $10/hr/person (all inclusive). Each employee works an average of 150 hours per month. The average revenue per customer is estimated $6.00and the variable cost of serving is $2 per customer. 10 a. At how many customers will make this business at breakeven point b. How many customers need to be served per month to achieve a monthly profit of $6,500