meijer inc. is now offering an even larger assortment of such everyday pet essentials as food, grooming supplies and its widest selection yet of halloween costumes – an increasingly popular trend, according to the washington, d.c.-based national retail federation, which estimates that 29 million consumers plan to outfit their furry companions for the coming spookfest. new this year, meijer is selling extra-large costumes – a hot dog, a taco, a triceratops and a spider – created for big dogs. each …