Glenco Roofing incurs selling and administrative expenses of $100,000 relating to two non-manufacturing activities: sales order processing and advertising support. The activities, the activity base, and the activity rates are: The activity-base usage for Polaska Condominiums, for the number of units specified, is: How much selling and administrative expense should Glenco Roofing allocate to Polaska Condominiums in calculate a customer profitability report? $690 $300 $620 $320