<PRE><B>Question 1110034</B>
0-100 kWh / R1,3032
101-400 kWh / R1,5250
401-650 kWh / R1,6610
More than 650kWh / R1,79 
What will the electricity bill (without VAT) be for a month in which a household uses 600 kWh of electricity? 
The k is already there
first 100 is 1.3032 per or 130.32
101-400 is 300 at 1.525 or 457.5
the last 200 (from 400 to 600) are at 1.661 or 200*1.661 or 332.2
Add 130.32+457.5+332.2=920.02
[3]
options of answers 
[1] R996,00
[2] R2 693,52
[3] R920,02
[4] R1 072,52 
</PRE>