B. charles is employed as an undertaker's assistant. her basic working week consist of 40 hours, paid at the rate of $4 per hour. for hours working in excess of this, she is paid the rate of 1.5 times her basic earnings. in the week ended 12 march 2016, she worked 60 hours. Up to $240 a week she pays no income tax, but she pays it at the rate of 30% for all earnings above the figure. she is liable to pay social security at the rate of 5% on gross earnings. calculate her net pay.