understand costs at the restaurant and has hired a student intern to conduct an activity-based costing study. The intern, in consultation with the owner, identified three major activities and then completed the first-stage allocations of costs to the activity cost pools. The results appear below. Cost Total Activity Serving a party of dizers Sunber of parties seeved 16,200 , 400 parties Serving a diner Serving drinks w.bet of diners served 101,640 12,100 diners Number of drinks ordered 34,240 10,700 drinks The above costs include all of the costs of the restaurant except for organization-sustaining costs such as rent, property taxes, and top- management salaries Some costs, such as the cost of cleaning the linens that cover the restaurant's tables, vary with the number of parties served. Other costs, such as washing plates and glasses, depend on the number of diners served or the number of drinks served. Prior to the activity-based costing study, the owner knew very itle about the costs of the restaurant. She knew that the total cost for the month including organization-sustaining costs) was $180,000 and that 12,000 diners had been served. Therefore, the average cost per diner was $15 parties of dinners? (Round your intermediate calculations to 2 decimal places. Round your Total Cost final answers to 2 decimal places and your Average Cost final answers to 3 declmal places.) 2 3 4 6 8 9 0