Year Type-B Production (in '000) Type-B Defect-free (%) Type-C Production (in…

PYQ Infosys 2025

Year	Type-B Production (in '000)	Type-B Defect-free (%)	Type-C Production (in '000)	Type-C Defect-free (%)
2019	40	96	60	90
2020	55	92	52	93
2021	50	95	48	92
2022	45	94	50	88

Note: All production figures are in thousands of units.

Find the difference between the average number of defect-free utensils of Type-B (over all the years) and Type-C (over all the years).

Attempted by 14 students.