selling prices are arrived at by adding 20 of the total cost that is the sum of work 620873

Calculate the estimated cost of production of byproducts X and Y at the point of separation from the main product.

Selling expenses amount to 25% of total works cost, that is, including both pre-separation and post-separation works cost. Selling prices are arrived at by adding 20% of the total cost, that is, the sum of works cost and selling expenses.