The production department planned to work 8,000 labor-hours in march; however, it actually worked 8,400 labor-hours during the month. its actual costs incurred in march are listed below: actual cost incurred in march direct labor $ 134,730 indirect labor $ 19,860 utilities $ 14,570 supplies $ 4,980 equipment depreciation $ 54,080 factory rent $ 8,700 property taxes $ 2,100 factory administration $ 26,470

required:

1. prepare the production department’s planning budget for the month.

2. prepare the production department’s flexible budget for the month.

3. calculate the spending variances for all expense items.