types numbers per type cost per telephone Unit profit Total profit Total cost h 20 60 20 400 1200 n 10 55 25 250 550 p x 50 30 30x 50x Total 650+30x 1750+50x
types numbers per type cost per telephone Unit profit Total profit Total cost h 20 60 20 400 1200 n 10 55 25 250 550 p x 50 30 30x 50x Total 650+30x 1750+50x