item		Base year quantity	Base year unit price	Base year + t quantity	 Base year + t unit price
car		0.33 	  		18.000	       		0.5  	      		 20000
petrol		2000			0.80			1500			 1.60
servicing	40			40			20			 60
tire		3 			80			2			 120
clutch		2 			200			1			 360