please show work. im having trouble determing formulas

Hayes Chemical Company produces a chemical used in dry cleaning. Its accounting system uses standard costs. Standards for each 0.5-gallon can of chemical and actual data for Hayes Chemical follow: Standards and budgeted information: Gallons of material per can of chemical Hours of labor per can of chemical Standard cost per gallon of material Standard cost per hour of labor Overhead application rate per can Expected production - cans of chemical Expected fixed overhead per year Variable overhead rate per 0.5-gallon can 1.20 1.50 $6.00 $9.00 $7.75 20,000 $55,000 $5.00 Actual information for 2018: Cans produced Gallons of material purchased Cost of material purchased Gallons of material used in production Cost of direct labor incurred Average wage rate per hour Actual overhead cost 23,000 35,000 $250,000 30,000 $290,000 $8.25 $220,000 Required a. Determine the standard cost per unit. Material Labor Variable overhead Fixed overhead Total unit cost 11 b. Calculate the material, labor, and overhead standards. Material price variance Favorable or unfavorable? Material quantity variance Favorable or unfavorable? Labor rate variance Favorable or unfavorable