Rates inched lower Friday as mortgage-backed securities were boosted by tame inflation data. The December Consumer Price Index (CPI) rose 0.1% from November and was up 2.7% from one year ago. Core CPI, which excludes volatile food and energy components, rose just 1.8% over the past year. Consumer Sentiment increased last month, but fell short of expectations. Industrial Production matched consensus with an increase of 0.6%. Next week will be relatively light in terms of new economic data. Housing Starts and the Producer Price Index will be released on Wednesday, Leading Indicators on Thursday. The market will be closed Monday in observance of Martin Luther King, Jr. Day.