As the manager of the granite-crushing division, Robert has just recently started evaluating product profitability. The joint process for his division generates Grade 1 and Grade 2 granite pieces. Both grades at this point can be sold as-is, or Grade 2 can be processed further into Grade 3 (a stabilizer is added while it's further processed into very fine pieces). The quantities, costs, and sales values for the different grades of product are as follows. (a) Calculate how much joint cost would be allocated to each product when using (1) the sales value at split-off method and (2) the NRV method. (Round proportion to 2 decimal places, e.g. 0.25 and final answers to 0 decimal places, e.g. 5,125.) (1) The sales value at split-off method