Suppose that a firm needs two workers to run one machine in its production process. the firms pays R25 per labour hour and R20 per machine hour. The firm spends exactly R50000. in order to maximize its output, what is the efficient number (in hours) of workers and machines that the firm should hire?

1000 workers and 2000 machines

1500 workers and 1375 machines

2000 workers and 1000 machines

1500 workers and 1500 machines

1750 workers and 1187.5 machines