Cut price food and booze pubs group JD Wetherspoon reported a 0.3% rise in like-for-like sales in the first quarter and said it remains confident of the company's prospects for the full year.Total sales in the 13 week period ending 25 October increased by 4.5%. The same period last year involved a higher level of marketing expenditure, including the distribution of money-off vouchers to most households in the UK.Operating margins for the same period were in line with those reported in the year ended 26 July.'We remain confident of the company's prospects for the financial year ending July 2010,' said the group.In the first six weeks of the quarter, like for like sales rose 1.2%.