ACCOUNTING FOR Labour

A summary of Perky's factory payroll for October showed the following: Basic hours 7,000 Hours of overtime 1,000 Hours of idle time 500 The idle time, which arose due to a power cut, increased the hours of overtime worked due to general work pressures. Basic pay is $15 per hour, and overtime is paid at a premium of ?33 and one third percent sign?. Calculate the indirect labour cost for October. Please can you explain me how to get overtime preium amount, i got it wrong. i got 1650$, and for the idle time i got correct. i watched your videos but this task i can not solve. Thank you