Donna, who is single, is a sole proprietor who owns and operates a small boutique. After taking into account the deductible portion of her self$-$employment tax, her $2024$ qualified business income $($QBI$)$ is $$50,000.$ She has no other deductions attributable to her business. Donn'a only other income for the year is $$450$ in interest income from a personal saving account $($unrelated to her business$).$ She will claim the standard deduction, and her $2024$ taxable income before the QBI deduction is $$35,850.$ What is Donna's $2024$ QBI deduction?

A$.$ $$0$; she is not elegible for the deduction.

B$.$ $$7,170$

C$.$ $$10,000$

D$.$ $$10,900$