Answer :
For Phone - 600 x 0.1 = $60
For Internet = 600 x 0.25 = $150
For Utilities = 600 x 0.6 = $360
360 + 150 + 60 = $570
600 - 570 = $30
Answer: $30
For Internet = 600 x 0.25 = $150
For Utilities = 600 x 0.6 = $360
360 + 150 + 60 = $570
600 - 570 = $30
Answer: $30