Coffee Beverages process coffee and bottles it as Frappuccino, Cappuccino, and Canadian. During the year the joint costs of processing the coffee were $4, 200. There were no beginning or ending inventories. Production and sales value information were as follows: a) Allocate the joint costs using sales value at split-off point method. b) Allocate the joint costs using NRV (net realizable value) method. c) Allocate the joint costs using constant gross margin NRV method. d) Which product(s) should be sold at the split-off point? Which product(s) should be process further