1.1) 1.1.1 (b) 1.1.2 (a) (b) 1.1.3 Wired Communication has a landline service and a cellphone service. The cellphone service is either on contract or prepaid. The phone tariffs are shown below. Cellphone tariffs 1.1.5 Description Monthly rental Normal call rates Other charges Monthly benefits Landline R150 RO,50 per minute 200 free mins the landline service. the prepaid service. Contract contract cellphone service. R1 per minute R250 per month 100 free minutes and free handset Write a formula that you can use to calculate the amount you would pay every month if you use: prepaid cellphone service. Prepaid R2 per minute How much would you pay in a month if you used 300 minutes, and you are subscribed to the: Determine the actual cost of a handset if the contract length is two years. 1.1.4 Is the prepaid option an example of direct or indirect proportion. Explain. Using the relevant calculations, show which service (landline, prepaid or contract) would be best for Wired Communication's clients, based on total usage of 2 000 minutes.