JOB WORK SAMPLE

WE ARE ENGAGED IN THE BUSINESS OF SALE OF PRINTERS. IN THE DUE COURSE WE RECEIVED SOME GOODS FOR PRINTING WHICH SERVES AS A SAMPLE FOR OUR CUSTOMERS TO SHOW THEM ABOUT OUR PRINTERS QUALITY ETC. WHAT SHOULD BE THE TAX TREATMENT OF ALL SUCH PROCESS . I MEAN TO ASK ABOUT INVOICES, TAX REVERSAL BECAUSE NOTHING IS CHARGED BY US FOR SUCH JOB WORK ON GOODS WHICH IS FREE OF COST. THESE ALL COSTS ARE RECOVERED WHEN WE SALE PRINTER TO OUR CUSTOMER