Until recently, hamburgers at the city sports arena cost $3.50 each. The food concessionaire sold an average of 12,500 hamburgers on game night. When the price was raised to $4.20, hamburger sales dropped off to an average of 9,000 per night. Assuming a linear demand curve, find the price of a hamburger that will maximize the nightly hamburger revenue. If the concessionaire has a fixed cost of $1000 per night and the variable cost is $0.60 per hamburger, find the price of a hamburger that will maximize the nightly hamburger profit.

Moody corporation uses a job-order costing system with a plantwide predetermined overhead rate based on machine-hours. at the beginning of the year, the company made the following estimates: machine-hours required to support estimated production 100,000 fixed manufacturing overhead cost $ 650,000 variable manufacturing overhead cost per machine-hour $ 3.00 required: 1. compute the plantwide predetermined overhead rate. 2. during the year, job 400 was started and completed. the following information was available with respect to this job: direct materials $ 450 direct labor cost $ 210 machine-hours used 40