4. Which of the following costs are most likely to have a cost behavior pattern described as ....a fixed cost up to an activity level of 1,000 units with a variable cost thereafter which decreases from $10 to $8 per unit at 2,000 units? DS (6 Points) Photocopying equipment with a fixed hire charge plus a reducing charge per unit. Wages payment which is fixed for a minimum output quantity after which a tanus per unit is paid which reduces above a certain output level to a smaller bonus per unit. Royalty payment per unit which reduces after 2.000 units. Material cost of $12 per unit for the first 1.000 units followed by $10 per unit up to 2.000 units and 8 P per unit thereafter. is the formula for Weighted Average Unit Contribution Margin Ratio (4 Points) FIXED COST/CONTRIBUTION MARGIN FIXED COST/CONTRIBUTION MARGIN RATIO TOTAL CONTIBUTION MARGION OF ALL PRODUCTS/TOTAL NO OF UNITS TOTAL CONTIBUTION MARGON OF ALL PRODUCTS TOTAL SALES REVENUE