Please show step by step work, i'm having a hard time undertanding this concept. thanks.

is preparing its manufacturing overhead budget for 2022. Relevant data consist of the following. Units to be produced (by quarters): 8,400, 10,080, 11,760, 13,440. Direct labor: Time is 0.75 hours per unit. Variable overhead costs per direct labor hour: indirect materials $0.40 indirect labor $0.60; and maintenance $0.50. Fixed overhead costs per quarter: supervisory salaries $34,650; depreciation $12,600; and maintenance $10,080. Prepare the manufacturing overhead budget for the year, showing quarterly data. (Round overhead rate to 2 decimal places, eg. 1.25. List variable expenses before fixed expense.) Manufacturing Overhead Budget For the Year Ending December 31, 2022 Quarter 1 2 3 Variable Costs 1 $ Indirect Labor Supervisory Salaries Maintenance