The job AA100 had been assigned the following direct costs:

Materials: $4000

Labour: $5000

During the month of July, 15 jobs were completed using a total of 6000 labour hours. The direct labour rate was $10 per hour and total overhead costs were $30000 for the month. The company uses direct labour hours as its plant-wide allocation base to allocate overhead costs.

What is the full cost of the job AA100?

a) $11500

b) $15500

c) $13000

d) $11000