Answer:
a. Direct materials
b. Direct labor
c. Variable overhead
d. Fixed overhead
Explanation:
The absorption costing is the costing in which the income statement should includes all types of production cost i.e. direct material cost, direct labor cost, variable overhead and the fixed overhead
So as per the given statement, all the four types of costing should be involved while preparing the income statement under the absorption costing
Hence, all 4 options should be considered
