Final answer:
The appropriate method for allocating overhead costs based on the provided information is B) Number of units produced.
Step-by-step explanation:
The appropriate method for allocating overhead costs based on the provided information is B) Number of units produced.
Allocating overhead costs based on the number of units produced is a common method used in manufacturing industries. This method assumes that the more units produced, the higher the overhead costs incurred. By allocating overhead costs based on the number of units produced, Chester Inc. can distribute the costs more accurately.