9) Audrey works in a factory. She receives a salary of $8 per hour and piecework pay of 12 cents per unit produced. Last week she worked 38 hours and produced 755 units. a) What was her piecework pay? b) What was her total hourly pay for the week? c) What was her total pay for the week? d) What would her total weekly salary have been if she produced 755 units ?​