Capital employed computation: prescribed asset valuation, deduction of borrowings and exclusion of non business investments. Amendment prescribes that capital employed for industrial undertakings and hotels is the aggregate asset values on the computation-period start-using written down value for depreciable assets, actual cost for purchased non-depreciable assets, acquisition value for other non-depreciable assets, nominal amount for trade debts and cash-less borrowed moneys and debts (including defined tax liabilities), and further reduced by investments and moneys not required for the business to the extent they exceed such borrowings; for ships capital employed is written down value less borrowings incurred to acquire the ship.