hich of the following is NOT true about returns of sold goods? a. The key idea of returns is to reduce consumer risk when purchasing items on-line. b. In many situations, moving an item backwards in the supply chain is more costly than moving new products forward in the supply chain. c. The cost of returns averages between 7 to 10 percent of the cost of goods sold, but it is decreasing. d. Returned items can be resold as new, refurbished, repaired, or recycled