An employee worked 40 hours at $12 per hour and 5 overtime hours at 1.5 times regular pay. Federal income taxes were deducted from the employee's pay at a rate of 20 percent. Social Security and Medicare taxes were deducted at a combined rate of 7.65 percent. What was the employee's net pay? Question 15 options: a) $412.40 b) $480.00 c) $570.25 d) $600.50