Oriole Candy Manufacturing Inc. makes and distributes uniquely flavored candy to major retailers across the US (seaweed-turmeric taffy, anyone?). Premium candy costs $2 per piece and regular candy costs $1 per piece. The marketing and sales department projects credit and cash sales volume for the month of March as follows: Premium pieces Regular pieces Debit Card 50 50 Credit Card 80 80 Cash/Check 20 20 Credit Sales 120 160