E Co has been asked to quote a price for a one-off contract. The companys management accountant has asked for your advice on the relevant costs for the contract. The following information is available: Materials The contract requires 3,000 kg of material K, which is a material used regularly by the company in other production. The company has 2,000 kg of material K currently in stock that had been purchased last month for a total cost of $19,600. Since then the price per kilogram for material K has increased by 5%. The contract also requires 200 kg of material L. There is 250 kg of material L in stock, which are not required for normal production. This material originally cost a total of $3,125. If not used on this contract, the stock of material L would be sold for $11 per kg. Labour The contract requires 800 hours of skilled labour. Skilled labour is paid $950 per hour. There is a shortage of skilled labour and all the available skilled labour is fully employed in the company in the manufacture of product P. The following information relates to product P: .............. $ per unit $ per unit Selling price 100 Less Skilled labour 38 Other variable costs 22 (60) 40 Required: a) Prepare calculations showing the total relevant costs for making a decision about the contract in respect of the following cost elements: (i) Materials K and L; and (ii) Skilled labour. b) Explain how you would decide which overhead costs would be relevant in the financial appraisal of the contract.