A company employs 100 direct workers in the factory, who are paid a basic rate of $5 per hour for a 35-hour week. In addition to working their normal hours last month, each worker was asked to work an additional 5 hours overtime per week to meet general production requirements. All overtime hours are paid at time and a half. As a result of some faulty material, 150 hours of direct labour time were registered as idle. Employee deductions total 30% of gross wages. For the four-week period just ended, calculate the gross wages