Jenna works at a company where she is paid $18 per hour. Her regular working hours are 40 hours per week, and any additional hours are considered overtime, for which she is paid 1.5 times her regular hourly rate. During a particular week, Jenna worked a total of 50 hours. If 20% of her total earnings for that week were deducted for taxes, what was her net pay after the tax deduction? Let's think step by step and output the final answer within \boxed{}.
user