Machine X will produce cost savings of $6,000 per year for four years; machine Y will produce cost savings of $4,000 per year for six years. If the interest rate is 10% compounded annually, what are...

Machine X will produce cost savings of $6,000 per year for four years; machine Y will produce cost

savings of $4,000 per year for six years. If the interest rate is 10% compounded annually, what are

the savings for both of these machines in terms of their present value in cost savings?