Cathy, the manager of Cathys Catering, Inc., uses activity-based costing to compute the costs of her catered parties. Each party is limited to 20 guests and requires 4 people to serve and clean up. Cathy offers two types of parties, an afternoon picnic and an evening formal dinner. The breakdown of the costs follows: Activities (and cost drivers) Afternoon Picnic Formal Dinner Advertising (parties) $ 103 per party $ 103 per party Planning (parties) $ 62 per party $ 112 per party Renting equipment $ 55 per party plus $ 67 per party plus (parties, guests) $ 14 per guest $ 22 per guest Obtaining insurance (parties) $ 155 per party $ 365 per party Serving (parties, servers) $ 52 per server per party $ 82 per server per party Preparing food (guests) $ 16 per guest $ 25 per guest Per party costs do not vary with the number of guests. Required: a. Compute the cost of a 20-guest afternoon picnic. b. Compute the cost of a 20-guest evening formal dinner. c. How much should Cathy charge for each guest for each type of party if she wants to cover her costs? (Round your answers to 2 decimal places.)