Amazon offers the Ninja Master Prep Pro 48-Oz. Food Processor in Black, model no. QB1004, for $39.99 with free shipping. That's $8 below last month's mention and the lowest total price we've seen for this set. (Outside of the deals below, it's a current price low by $5.) This 450-watt blender includes 40-oz. and 48-oz. pitchers, a 16-oz. chopper bowl, storage lids, and 25-recipe booklet.
Of note, Kohl's charges $33.99 via coupon code "THANKS15" plus $6.95 for shipping.