Peyton is a salesperson who sells computers at an electronics store. She makes a base pay amount each day and then is paid a commission as a percentage of the total dollar amount the company makes from her sales that day. The equation P=0.025x+80P=0.025x+80 represents Peyton's total pay on a day on which she sells xx dollars worth of computers. What is the yy-intercept of the equation and what is its interpretation in the context of the problem?