T he Bank of Canada kept its benchmark lending rate at a record low 0.25 per cent Tuesday, and reasserted a plan to keep it there through the middle of the year depending on the outlook for inflation, saying slack remains in the economy and that the global recovery still depends on government spending and low interest rates. “Conditional on the outlook for inflation, the target overnight rate can be expected to remain at its current level until the end of the second quarter of 2010,” Governor Mark Carney and his rate-setting panel said in the statement accompanying their decision, echoing the wording in their December statement. The bank repeated that policy makers see inflation returning to their 2 per cent target in the second half of 2011 and risks to that projection “are tilted slightly to the downside,” a reminder to markets that unless this changes policy makers are unlikely to speed up a return to higher rates