Correct Answer: Prudent

Solution : The third option is correct.

Thrifty means showing careful use of money, especially by avoiding waste. Prudent denotes something marked by wisdom or judiciousness, making it a fitting synonym.

The meanings of the other options are as follows:

• Wasteful: It means using more of something than is necessary or causing waste.
• Generous: It means happy to give more money, help, etc. than is usual or expected.
• Extravagant: It means spending or costing too much money.