Answer:
Tyrone will need $4578.4 to meet his $15,000 goal
Step-by-step explanation:
Tyrone wants to spend amount on a new car three years from now=$15,000
Formula :

Where A=future value
P=present value
r=rate of interest
n=time period.
Future value of deposits=

Future value of deposits= 10421.60
So, additional money needed=15000-10421.60=4578.4
Hence Tyrone will need $4578.4 to meet his $15,000 goal