Answer:
4%
Explanation:
physical capital per worker has grown by = physical labor growth rate - labor force growth rate = 5% - 1% = 4%
Physical capital refers to the amount of equipment and physical structures used to produce goods and services. The physical capital per worker is a ratio that divides total physical output by the total labor force. An increase in the physical capital per worker should result in an increase in labor productivity. E.g. A delivery service uses a bicycle and is able to deliver 10 packages every 4 hours, but if they start to use a delivery truck, the delivery service will be able deliver 20 packages every 4 hours.