3. Expenses. Total cost of the product minus the costs of direct material and direct labour constitutes the ‘Expenses’. Expenses may also be either direct or indirect.
(i) Direct Expenses. These expenses like the direct material and direct labour are directly chargeable to the finished product. These are also known as “chargeable expenses”. These include :
(a) Cost of patterns, jigs, fixtures, dies, drawings or designs specifically prepared for a particular product which cannot be used for other purposes.