Southern had the option of selling products A B and D at the splitoff point. Thi

Southern had the option of selling products A B and D at the splitoff point. This alternative would have yielded the following revenues for the December production:Product A $84000Product B $72000Product D $60000Required1. Compute the gross-margin percentage for each product sold in December using the following methods for allocating the $96000 joint costs:a. Sales value at splitoffb. Physical-measurec. NRV2. Could Southern have increased its December operating income by making different decisions about the further processing of products A B or D? Show the effect on operating income of any changes yourecommend.