What is correct punctuation & capitalization of What an incredible situation it must make you nervous

The correct punctuation and capitalization for the sentence "What an incredible situation! It must make you nervous" is as follows:

"What an incredible situation! It must make you nervous."

The correct punctuation and capitalization of the sentence "What an incredible situation! It must make you nervous." would be as follows:

- Begin with a capital letter: "What"
- Use an exclamation mark after "situation" to show strong emotion: "What an incredible situation!"
- Begin a new sentence with a capital letter: "It"
- Use a period at the end of the sentence to indicate the statement has ended: "It must make you nervous."