Lalu and Beena are in partnership. He is also entitled to a salary of Rs. 12,000 per annum. Profits and losses are shared equally. The partnership has made a net profit of Rs. 30,000. How much is Lalu’s total increase in his Capital A/c?
(a) 18,000
(b) 15,000
(c) 21,000
(d) 42,000