Grippy Inc. is a small distributor of mechanical pencils. Grippy identifies its three major activities and cost pools as ordering, receiving and storage, and shipping, and it reports the following details for 2016: (Click the icon to view the activity and cost pool details.) = (Click the icon to view the 2016 operating income.) i (Click the icon to view additional information.) Required First determine the selling price to retailers in 2017. The selling price per pack to retailers in 2017 is $ 8.46 Now determine the purchase price per packs of pencils in 2017. The purchase price per pack in 2017 is $ 4.75