1. In a particular industry, workers produce $120 of value in an eight-hour day and the costs of materials plus the daily wear and tear on machines each worker uses is $30. a. If workers' wages are $50 per day, what is the surplus value per worker per day? b. If workers' wages are $60 per day, what is the surplus value per worker per day c. As a result of the increase in wages, what happens to the rate of exploitation? 2. Workers in a certain industry produce $120 of value in an eight-hour day, workers' daily wages are $50, and the cost of materials plus the daily wear and tear on machines each worker uses is $20. a. If the working day increases from 8 to 12 hours, what is the daily value each worker produces? the daily wear on tear on machines per worker! the surplus value per worker? b. As a result of the lengthening of the workday, what happens to the rate of exploitation