Prior to the activity-based costing study, the owner knew very little about the costs of the restaurant. She knew that the total cost for the month was $313,600 and that 32,000 diners had been served. Therefore, the average cost per diner was $9.80 ( $313,600 32,000 diners =$9.80 per diner). Required: 1. Compute the activity rates for each of the three activities. 2. According to the activity-based costing system, what is the total cost of serving each of the following parties of diners? a. A party of four diners who order three drinks in total. b. A party of two diners who do not order any drinks. c. A lone diner who orders two drinks. 3. Convert the total costs you computed in part (2) above to costs per diner. In other words, what is the average cost per diner for serving each of the following parties? a. A party of four diners who order three drinks in total. b. A party of two diners who do not order any drinks. c. A lone diner who orders two drinks. Complete this question by entering your answers in the tabs below. Compute the activity rates for each of the three activities. (Round your answers to 2 decimal places.) According to the activity-based costing system, what is the total cost of serving each of the follov diners? (Round your intermediate calculations and final answers to 2 decimal places.) Complete this question by entering your answers in the tabs below. Convert the total costs you computed in part (2) above to costs per diner. In other words, what is the average cost per diner for serving each of the following parties? (Round your intermediate calculations and final answers to 2 decimal places.)