Stephen needs to get the oil changed in his car. The oil change is advertised for a price of $34.50, which includes the necessary parts for the oil change, but it does not include all of the extra fees. The labor costs $25.00. Stephen must also replace his car's oil filter, which costs an additional $15.99, and there is an additional 7% sales tax on parts. How much will Stephen pay to get his oil changed? A. $54.02 b. $34.50 C. $50.49 D.$79.02