The Okanagan Bee society's mission is to raise awareness of the importance of healthy bees, the benefits within the local farming community, and rehoming swarms. They do this by running a bee hotline and hosting community information sessions. Which of the following would be a suitable internal business process measure? a) The number of swarms rehomed b) The year-over-year increase in donations c) The number of volunteer training hours d) Decrease in pesticide use on local farms