Compound interest would be the correct answer.
Answer: A) Income Summary
Explanation:
The Income Summary account is used to compile temporary accounts before posting them to capital accounts. Revenues, Expenses and Cost of Goods are temporary accounts which will be compiled in the Income summary account.
The Income summary account has a debit and a credit side with income going on the credit side and expenses going on the debit side. If the credit side is higher than the debit side then profits have been made. The reverse is true.
Based on the given scenario above regarding Wang's Techno toys which was successfully run by Ann Wang, the method of import or export financing that the Techno Toys' bank used if it functions as an intermediary without considering any financial risk is called the DOCUMENTARY COLLECTION.
A witness testimony would be direct evidence. Hope you found that helpful :)