how much more can non-HP toner cartridges cost over time, as compared with HP toner cartridges? seenagape 10 years ago According to the 2013 Spencer Lab laser study how much more can non-HP toner cartridges costover time, as compared with HP toner cartridges? A.Up to 60% B.Up to 70% C.Up to 90% D.Up to 20% Explanation: ← Previous question Next question →