Activity rates and product costs using activity-based cost Idris inc. manufactures entry and dining room lighting fixtures. Five activities are used in manufacturing the fixtures. These activities and their associated budgated activity costs and activity bases are as follows: Corporate records were obtained to estimate the amount of activity to be used by the two products. The estimated activity-base usage quantities and units produced folliow: a. Determine the activity rate for each octivity. If required, round the rate to the nearest dollar. a. Determine the activity rate for each activity. If required, round the rate to the nearest dollar