ce Architects employs two architects, each having a different area of specialization. Caitlin specializes in industrial commercial onstruction and Zachary specializes in residential construction. Ace expects to incur total overhead costs of $779,625 during the year nd applies overhead based on annual salary costs. Caitlin is a senior partner, her annual salary is $168,750, and she is expected to bill .000 hours during the year. Zachary is a senior associate, his annual salary is $91,125, and he is expected to bill 1,800 hours during he year. Required: a. Calculate the predetermined overhead rate. b. Assuming that the hourly billing rate should be set to cover the total cost of services plus a 20% markup, compute the hourly billing rates for Judy and Steve. Complete this question by entering your answers in the tabs below. Calculate the predetermined overhead rate