GH Ltd. manufactures three main products from a common input in a joint processing operation. Joint processing costs up to the split-off point are as follows: The company allocates these costs to the joint products on the basis of their total sales at the split-off point. Each of the products may be sold at the split-off point or processed further. The additional processing costs and sales value after further processing for each product, on an annual basis, are: The \"Further Processing Costs\" consist of variable and avoidable fixed costs. Required: a) Which product or products should be sold at the spilt-off point, and which product or products should be processed further? Show computations. b) F17 is a minor by-product of the above process and is not included in the above calculations. It is sold after minor further processing. The following information has been provided: What would happen to GH Ltd.'s operating income if F17 was scrapped at no cost at the split-off point rather than processed further? Should GH Ltd. process F17 further