X= 9

y = 3

N A hospital wants to purchase two MRI devices each costing $1,790,000. The hospital plans on using them for 7 years before selling them for $120,000 each. On average, each patient pays $1000. After 5 years, a major maintenance would be required costing $30,000 for both devices. If the MARR is (X+Y) % per year, using Present worth analysis determine: a) The minimum revenue required each year to realize the expected recovery and return. b) The number of patients the hospital must receive every day to achieve that revenue