. In addition, respond to the below prompts for this scenario about long-run costs: A provider offers the following three different monthly mobile phone plans. . Plan 1: $5 per month plus $1.25 per call/text. . Plan 2: $15/month plus $0.75 per call/text. . Plan 3: $35/month plus $0.50 per call/text. . For each plan, write out the equation for the total monthly cost in terms of the number of calls/texts made per month. . Graph each cost equation on the same diagram (hint: let number of calls vary from zero to 120 calls/texts per month). . If you expected to make an average of 60 calls/texts per month, which plan should you choose? Explain why with the aid of your diagram. o Under what conditions would you choose plan 1? Explain using the aid of your diagram