Question No. 4 (4 Marks): ARNOLD Co. has gathered the following information concerning one model of its products: Variable manufacturing costs $160,000 Variable selling and administrative costs $90,000 Fixed manufacturing costs $150,000 Fixed selling and administrative costs $100,000 Investment $3,000,000 Desired ROI 20% Planned sales units 25,000 Required: 1) Calculate the mark-up per unit. 2) Calculate the mark-up %. 3) Calculate the target selling price