A club received Rs. 40,000 as subscriptions during the year 2018-19 of which Rs.6,000 relate to year 2017-18 and Rs.4,000 to 2019-20, and at the end of the year 2018-19 Rs.12,000 are still receivable. What will be the income from subscriptions for the year 2018-19?

A

Rs.24,000

B

Rs.42,000

C

Rs.21,000

D

Rs.12,000