I believe the answer is: A.increase in productivity
By investing in training, the workers would much more proficient in using the technology. When this happen, the workers tend to need lesser amount of time to complete a certain order. This would increase both productivity and the net profit of the bakery.
A bakery invests a portion of profits into sending its employees to a training on how to use more energy-efficient ovens that also can hold more baked goods. Hoping to achieve by investing in the training, the goal of the bakery is increase productivity. The new learning to employees will help them how to use more of the energy-efficient ovens and probably find a way that they won't have to waste more electricity and produce more baked goods.
Now that actually did happen. Groups of each moved into Kansas territory so they can make it either a slave or free state. It had so much bloodshed they had a little war called Bleeding Kansas. The two groups were both called Border Ruffians and they fought each other to gain the power.