4. () On average, each unit produced by the Kantor Company takes 0.90 worker hours and 0.02 hours of machine time. Furthermore, each worker and machine is available 160 hours a month. Use these planning values and the following sales forecast to estimate (1) the number of worker hours and machine hours needed each month and (2) the number of workers and machines needed each month. Round your estimates of the number of workers and machines needed to the nearest whole number