I’d point a new business owner to the IRS Small Business and Self-Employed Tax...

https://zulu-wiki.win/index.php/How_Do_I_Calculate_the_Cost_of_Employee_Turnover%3F

I’d point a new business owner to the IRS Small Business and Self-Employed Tax Center before tax season. It’s free, requires no signup, and brings together practical guidance on recordkeeping, deductions, and employment taxes