You are a representative for a cell phone company and it is your job to promote differentcell phone plans. Your boss asks you to review two plans and compare them so you canpoint out the advantages of each plan to your customers.Plan 1: costs a base fee of $70 per month, which includes 2 gigabytes of data. Eachadditional gigabyte of data costs $20.Plan 2: costs a base fee of $50 per month, and each gigabyte of data costs $15.Part A: Create an algebraic equation that models each of the above phone plans. Besure to label any variables that are used.