i need help solving (a)

Blossom Corporation manufactures a single product. Monthly production costs incurred in the manufacturing process are shown below for the production of 4,200 units. $ 8,902 29,437 2,456 1.187 Direct materials Direct labor Utilities Property taxes Indirect labor Supervisory salaries Maintenance Depreciation (straight-line) 5,341 2.255 1.497 2,849 The utilities and maintenance costs are mixed costs. The fixed components of these costs are $ 356 and $ 237, respectively (a) Identify the below costs as variable, fixed, or mixed. Direct materials Direct labor Utilities Property taxes Indirect labor Supervisory salaries Maintenance Depreciation (straight-line)