Question 1 Production of the first cell phones to be made in South Africa was started by Mara Phones in Durban on 1 7 October 2 0 1 9 . This was a R 1 , 5 billion investment and the opening was attended by Mr Nkuna Masingita. A picture of the Mara � cell phone is shown below: 2 4 - month contract cost: R 1 7 9 per month Free airtime per month : R 1 2 5 Once - off 1 0 � � data free Colour: Only in black MaRAX Call Cost: � 0 . 8 0 per minute 1 . 1 Determine the cost of using this phone on contract, for each of the following number of minutes: a ) 2 0 0 minutes b ) 3 0 0 minutes c ) 4 0 0 minutes ( 6 ) 1 . 2 Using the attached ANNEXURE A , draw a graph to represent the total monthly contract cost of using this phone for the number of minutes given in Question 1 . 1 . ( 5 ) 1 . 3 What would the owner of this contract's monthly account fee be , if he / she used this phone for: 1 . 3 . 1 one hour fifty - five minutes