QUESTION 4 The sanitation turiff's for Johannesburg and Cape Town are presented in TABLE 2. Johannesburg uses the area of a property to determine the sanitation bill. Cape Town uses a percentage of the total water usage to determine the sanitation bill (the same way as they calculate the water bill.) TABLE 2 shows the tariffs of Johannesburg (excluding VAT) and Cape Town (including VAT). TABLE 2: SANITATION TARIFFS FOR JOHANNESBURG AND CAPE TOWN JOHANNESBURG: SANITATION TARIFFS-DOMESTIC (VAT excl.) Up to and including 300 m² Larger than 300 m² to 1 000 m² Larger than 1 000 m² to 2000 m² Larger than 2 000 m² CAPE TOWN: SANITATION TARIFFS-DOMESTIC USAGE TARIFF 0-4,2 kl 4,2-7,35 kt 7,35-24,5 kt 24,5-35 kt R16,03 per kt R22,02 per R30,92 per kt kt R228,06 R443.96 R671,63 R967,71 (VAT incl.) INCREASE FROM PREVIOUS R0,66 increase per kt R0,91 increase per kt R1,28 increase per kt R48,65 per kt R2,01 increase per kl. [Adapted from www.pikitup.co.za and www.capetown.gov.za NOTE: Sanitation refers to waste water that is drained from a household. Use the information above to answer the questions that follow. 4.1 Write down, to the nearest ten cents and excluding VAT, the cost for sanitation in Johannesburg if a property is 175 m². 4.2 Calculate the cost for 4,1 kl sanitation in Cape Town before the increase. 4.3 Mr Jones lives in Johannesburg and Ms Brown lives in Cape Town. They both own a property with an area of 550 m² and each was billed for 22 kt sanitation. Use the table above to determine the difference in the cost of sanitation for the two properties. 4.4 Explain how the tariff system used in Johannesburg is beneficial to home owners in terms of water usage. (4 Lel​