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.

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MONTH SALES FORECAST October 44,000 November 52,000 December 68,000 January 69,000 February 58,000 March 46,000