Loan: short-term investment-fund investment is 6,543,800 yuan.
Loan: Bank deposit is 6,543,800 yuan.
When selling:
Debit: Bank deposit is 6,543,800 yuan+0,200 yuan.
Loan: short-term investment-fund investment is 6,543,800 yuan.
Loan: the investment income is 20,000 yuan.