See Ashish , in coming IFRS principles ---- nothing can be termesd as free , you have to assign some value to it - only then you can claim depreciation on it . Moreover they can be physically verified
First assign it some value by taking the invoice from vendor
Ask ur vendor to show , on the face of invoice
Cost of computers xxxxx ( with in built cost of printer and UPS
less Discount - cost of printer xxxx
less Discount -cost of UPS xxx
Selling Price yyyyyy
now segregrate the selling price firstly in printer and ups ( cost mention above )
and divide the rest amount (selling price - printer cost - ups ) by 3 - -----to get the value of three computers
Note ; First check the company policy whether to capitalise the UPs or not else expensed it off
Pls clarify in case , u need more help