How do I create an IF Function in excel to calculate the commission amounts and How do I create the IF Function to calculate the bonus

Sales Rep Comm Code $1$st Quarter Sales$$Commission $$ Bonus

Kimsey, C$.$J$.($Code $2)$$$120,674$

Toven, Steve $($Code $1)$$$85,784$

Claxton, Marie $($Code $1)$$$48,943$

Post, Jackie $($Code $1)$$$80,452$

Jackson, Elizabeth $($Code $2)$$$125,739$

Millington, Jeff $($Code $1)$$$82,649$

Code $1$ Commission Rate $10\%$

Code $2$ Commission Rate $12\%$

Sales Level for Bonus $$$$85,000$

Bonus Commission Rate $2\%$