Mona is self$-$employed working as a fortune teller. Her net income from this activity was $$250$ in $2023.$ Which of the following is true regarding her self$-$employment $($SE$)$ tax for the year? A$.$ She has SE tax because she was self$-$employed B$.$ She has SE tax because net income was earned C$.$ She has no SE tax since net income was less than $$400$ D$.$ She has no SE tax because net income was less than $$1,000$