b) The following table gives the age Of cars Of certain make and the annual maintenance A e o f curs 2 4 6 14 9 13 20 Maintenance costs(in hundred o 20 25 30 50 34 32 48 60 (i)Estirnate the Regression equation Estimate the maintenance costs if age of car is 25 years. (iii) E.stin:latc• the age Of ear ifmaintenance costs is T'k_ 8 thousand.