IMANET Exam CMA Topic 3 Question 59 Discussion

Rosecrans Manufacturing produces kerosene lanterns. The Company can sell all of its output. Each unit sells for $120,and direct materials costing $48 per unit are added at the start of the frit operation. Other variable caste are immaterial. Production data for one of one of its products is presented below:

Rosecrans hires additional workers at a cost of $500,000 per year to expedite setups and materials handling in the bottleneck operation .As a result, the annual output of the bottleneck operation increases by 500 units. The Change in operating income Attributable to the increase in workers is