Activity rates and product costs using activity-based cost Idris Inc. manufactures entry and dining room lighting fixtures. Five activities are used in manufocturing the fixtures. These activities 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 follow: a. Determine the activity rate for each activity. If required, round the rate to the nearest dollar. Activity Activity Rate Casting permachine hour Assembly per direct labor hour inspecting per inspection Serup per setup Materials handling per load b. Use the activity iates in (a) to determine the total and per-init activity casts associated with each product. Round the per unit amounts to the nearest cent. Product Entry Lighting fotures Oining Room Lighting Fixtures