Garrison Co. produces three products X, Y, and Z from a joint process. Each product may be sold at the split-off point or processed further. Additional processing requires no special facilities, and production costs of further processing are entirely variable and traceable to the products involved. Last year all three products were processed beyond split-off. Joint production costs for the year were $142,000. Sales values and costs needed to evaluate Garrison's production policy follow. Product x Units Produced 16,000 4,000 5,000 Sales Value at Split Off $ 45,500 31,500 38,000 If Processed Further Sales Value Additional Costs $ 107,500 $ 6,700 56,500 14,000 52,000 18,000 z The amount of joint costs allocated to product X using the physical measure method is (calculate all ratios and percentages to 4 decimal places, for example 33.3333%, and round all dollar amounts to the nearest whole dollar): $28,400. $18,720. $22,720. $51,120. $90,880