In 2021 the physical capital units were 300 and there were 100 people in the labour force. Furthermore, the total number of hours worked was 1000 and the output was 5000 units. What was the physical capital per worker and the labour productivity? a. The physical capital per worker was 1/3 and the labour productivity was 1/5. b. The physical capital per worker was 1/3 and the labour productivity was 5. c. The physical capital per worker was 3 and the labour productivity was 5. d. The physical capital per worker was 3 and the labour productivity was 1/5