Q. No. 2 Mr. Sen was appointed as Reader in Calcutta University in the scale of 37,400-1200-62,400 on 1.9.2019 at 42,000 p.m. Compute his salary income for the previous year 2022-23 if (a) salary is due on 1st of every months; (b) salary is due on last date of every month. ​