Question 2. Gophone is a cell phone network that offers prepaid and contract options. The tariffs for their prepaid option are given below. Study the tariffs and answer the questions that follow: Peak voice calls Monday to Friday 07:00 to 20:00 R2,35 per minute. Off peak voice calls Monday to Thursday 20:00 to 07:00 From Friday 20:00 to Monday: 07:00 R1,70 per minute. SMS Peak 90c SMS off-peak. 40c 2.1. why do you think that calls cost more between 07:00 and 20:00 during the week? (2)​