Determine which design should be selected using the ERR method when the external reinvestment rate (e%) equals 14% per year.

Design -525,000 Design 2 -850,000 Design 3 -1,135,000 Design 4 1,420,000 1 Capital investment Annual expenses: Power Labor Maintenance Taxes and insurance -168,000 -20,000 -345,000 -12,000 -180,000 -25,000 -200,000 -15,000 -220,000 65,000 -320,000 -25,000 -235,000 -50,000 370,000 -30,000