I need step by step answer pls. Answer quick! Susan is looking into a new cell phone carrier. She researches her options and finds the two companies which have the best reception in her neighborhood offer very different monthly plans. Write a function rule which represents each company’s monthly fees.

A) Company A offers unlimited minutes and texts for a flat fee of $50 per month and charges $1.50 for each GB of data used per month.

B) Company B offers unlimited minutes and texts for a flat fee of $35 per month and charges $5.00 for each GB of data used per month.