Sanborn architectural designs inc. has three partners that each earn $80,000 per year, and three associates that earn $58,000 per year. each partner and associate has 2,000 billable hours per year. using an activity-based costing approach, if a partner worked 10 hours on a project, the amount of labor cost that should be billed to the project is:

Overall rate will be 345

Explanation:

We have given that in Architectural Designs Inc there are three partners who earn $80000 each

So total earn of three partners = 3×$80000 = $240000

Amount earn by associates = $58000

So total amount ear by associates = 3×$58000 = $174000

So the total amount earn = $240000+$174000 = $414000

Total bailable hours = 2000×6 = 12000

So overall rate per hour

Number of hours works on project = 10 hour

So the overall rate = 34.5×10 = 345

i think the answer is c. but i'm sorry if it is wrong.