4. QUESTION 4 Below is the table used by Mr Samuel to convince his family to use less electricity TABLE 4: Cost of electricity per kWh used under pre-paid. Number of kWh used B Cost (R) 84,90 50 28,50 100 A NOTE: The electricity rate is R0, 566 per kWh. 4.1 Use the information in TABLE 4 above to answer the questions that follow. Complete the values of A and B. 300 169,80 €​