Caleb is a manager at Global Impact Solutions. When it comes to team performance, he is very strict. However, he grants each employee a month off every year to travel and spend time with their families. As a result, his employees feel motivated to perform better at work. In the context of the Blake$/$Mouton leadership grid, which of the following leadership styles is Caleb using in this scenario?

a$.$ Country club style

b$.$ Impoverished style

c$.$ Authority$-$compliance style

d$.$ Middle$-$of$-$the$-$road style