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 budgeted 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 quantitie and units produced follow: a. Determine the activity rate for each activity, 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. b. Use the activity rates in (a) to determine the total and per-unit activity costs associated with each product. Round the per unit amounts to the nearest cent