Answer:
By means of a budget he prepared.
Explanation:
According to the information available, Shing-fong has a carefully thought out strategy. Here's some of what he does;
- he keeps tracks of his finances by means of a budget plan.
- he views all his transactions also checking his debit or credit cards to keep track of how much he spends
- Shing-Fong avoids eating out as much as he used to and preparing cheaper food at home.
- he also avoids unnecessarily spending with friends whenever he is invited.
