1.You are on a tight budget and need to decide between the following 3 texting plans:
Plan A: Pay $0.10 per text
Plan B: Pay a fixed monthly fee of $15 for up to 500 texts per month and $0.08 for each text over the 500.
Plan C: Pay a fixed monthly fee of $25 for up to 1,000 texts per month and $0.05 for each text over the 1,000.
a.Draw a graph of the total monthly cost of the three plans for different levels of texting.