Answer: 246,000 color copies
Explanation:
Cost of printing color pages using the old machine is not included so we will infer that.
We shall assume the cost of that to be $0.135.
In using this new copier made by HP, the cost saved per copy is:
= 0.135 - 0.110
= $0.025
The breakeven number of color copies that would make you indifferent would be the number of copies that would lead to a savings of $6,150 incurred on account of training the staff:
= 6,150 / 0.025
= 246,000 copies