Ron Company has the following commission schedule:

Commission

rate Sales

$2\%$ Up to $$80,000$

$3\mathrm{.}5\%$ Excess of $$80,000$ to $$100,000$

$4\%$ More than $$100,000$

Calculate the gross earning.

$\backslash$table$[[$Employee$,$Total sales,Gross earning$],[$Julie Haines,$144,000,]]$