PLEASE show work step by step so I can study it.

Tiger Equipment Inc., a manufacturer of construction equipment, prepared the following factory overhead cost budget for the Welding Department for May of the current year. The company expected to operate the department at 100% of normal capacity of 7, 300 hours. During May, the department operated at 7, 700 standard hours, and the factory overhead costs incurred were indirect factory wages, $24, 110; power and light, $16, 560; indirect materials, $14, 100; supervisory salaries, $12, 590; depreciation of plant and equipment, $32, 300; and insurance and property taxes, $9, 860. Required: Prepare a factory overhead cost variance report for May. To be useful for cost control, the budgeted amounts should be based on 7, 700 hours. Enter a favorable variance as a negative number using a minus sign and an unfavorable variance as a positive number. Round your per unit computations to the nearest cent, if required. If an amount box does not require an entry, leave it blank