NRF expects 3.6% sales increase in November and December   WASHINGTON, 2016-Oct-06 — /EPR Retail News/ — The National Retail Federation announced today it expects sales in November and December, excluding autos, gas and restaurant sales, to increase a solid 3.6 percent to $655.8 billion — significantly higher than the 10-year average of 2.5 percent and above the seven-year average of 3.4 percent since recovery began in 2009.…