The maximum amount that can be sent spent out of a budget is $3,000. Workers can be said to cost $50 each, and capital can be rented for $100 each. The cost-minimizing mix of workers and capital will be such that hiring one more worker will be....

....half as productive as one more unit of capital.

....twice as productive as one more unit of capital.

....60 times as productive as one more unit of capital.

.... 5/300th as productive as one more unit of capital.