Given that the cost of living index for year 2019 is 120 and for year 2020, it is  150. Sheetal's salary has increased from Rs. 26000 to Rs. 30000 (from year 2019 to 2020 ). Based on the above information, which of the options given below holds true for comparing Sheetal's real income in 2002, as compared to 2019 ?

Decreased by Rs. 1616