Kiss 92.5 is considering the replacement of its old, fully depreciated sound mixer. Two new models are available. Mixer X has a cost of $743,000, a six-year expected life, and after-tax cash flow savings of $296,000 per year. Mixer Y has a cost of $989,000, a 10-year life, and after-tax cash flow of $279,000 per year. No new technological developments are expected. The cost of capital is 12 percent. Should Kiss 92.5 replace the old mixer with X or Y?