By Lucia Mutikani WASHINGTON (Reuters) – U.S. retail sales increased by the most in 10 months in January, lifting the level of sales to a record high amid a surge in purchases of motor vehicles and other goods, but higher prices could limit the boost to economic growth this quarter. The report from the Commerce Department on Wednesday showed underlying strength in the economy ahead of anticipated interest rate increases from the Federal Reserve starting in March, although retail sales in December were much weaker than initially estimated. “The strong rebound in January retail sales, though par…