Answer:
a. Date Accounts title Debit ($) Credit ($)
June 17 Stock investment 494,400
(412,000*$12*10%)
Cash 494,400
Sept.3 Cash 11,200
($112,000*10%)
Dividend revenue 11,200
Dec. 31 Stock investments 51,200
($512,000*10%)
Investment revenue 51,200
b. Date Account title Debit ($) Credit ($)
Jan.1 Stock Investment 604,800
(112,000*$18*30%)
Cash 604,800
May 15 Cash 33,600
($112,000*30%)
Stock Investment 33,600
Dec. 31 Stock investments 63,600
($212,000 *30%)
Investment revenue 63,600