Kinko Ltd designs and produces Vessel parts. The company has three main departments that consume overhead resources: design, production and engineering. In 2021, actual variable production overhead is $280 000. Kinko's costing system allocates variable production overhead to its three customers based on machine-hours, and prices its contracts based on full costs. One of its customer has complained of being charged non-competitive price. Therefore, Kinko needs to look the consumption of overhead more closely and to investigate the issue. The data collected regarding this matter is available below: