First, not accounting for overtime, Heather gets $17.60 * 36, or $633.6 dollars. Now, for overtime, her hourly rate is $17,60 * 1.5, or $26.4/hour, during overtime. Thus, adding the $26.40 * 8 (hours of additional overtime), gives $633.60 + $211.2 dollars, or $844.80 total dollars.