When maria comes home from work, she finds that her yard has been mowed and trimmed. an hour later, a man comes to her door to collect payment for the yard work. maria refuses to pay him because she has never seen him before nor had she hired him to do the work. which of the following is accurate?
a. this is an implied, unilateral contract, so she must pay.
b. maria has received unjust enrichment so a quasi contract is formed, so she must pay.
c. the court would make maria pay the reasonable cost of the work to be fair to both parties.
d. maria would not have to pay anything.

Speedy auto repairs uses a job-order costing system. the company’s direct materials consist of replacement parts installed in customer vehicles, and its direct labor consists of the mechanics’ hourly wages. speedy’s overhead costs include various items, such as the shop manager’s salary, depreciation of equipment, utilities, insurance, and magazine subscriptions and refreshments for the waiting room. the company applies all of its overhead costs to jobs based on direct labor-hours. at the beginning of the year, it made the following estimates: direct labor-hours required to support estimated output 20,000 fixed overhead cost $ 350,000 variable overhead cost per direct labor-hour $ 1.00 required: 1. compute the predetermined overhead rate. 2. during the year, mr. wilkes brought in his vehicle to replace his brakes, spark plugs, and tires. the following information was available with respect to his job: direct materials $ 590 direct labor cost $ 109 direct labor-hours used 6