A. 1. By increasing the quantity of capital and
2. By also improving the quality of capital.
B. Quantity increases - is being represented by the movement along a per - worker production function's curve.
Quality improvements are being illustrated by the upward rotation in the curve by graph.
C. The per-worker production function has a slope or slopes upward bc , the more capital given per worker increases output per worker.
- when more capital is been added, the curve becomes less steep due to the law of diminishing marginal returns.