From the following particulars you are required to calculate 'Average Wage Rate' for the labour cost chargeable to Job No. P-301, which was completed in the same year. Basic wage rate is 15 per hour and overtime rates are as follows: Before or after working hours 150% of basic wage rate Sunday, and other holiday 200% of basic wage rate During the year the following labour hours were worked : Normal time 4,00,000 hours Overtime before or after working hours 50,000 hours Overtime on Sundays and holidays 40,000 hours Total 4,90,000 hours For Job No. P-301, 4000 hours were spent as follows : Normal Before or after working hours Sundays and holidays 3000 hours 700 hours 300 hours