Ferial RX sells medical lentists. Their top 4 products are as follows: Recently, they have started to bundle all 4 products and sell the bundle for $220 and this has sold very well. Required: A. Using the stand along method, allocate the revenue/price that should be allocated to each of the 4 products when sold in the bundle. ( 5 marks) B. Now using the incremental method with the following ranking, allocate the revenue/price that should be allocated to each of the 4 products when sold in the bundle. ( 5 marks)