Your staff consists of 5 cashiers, 2 stockers, and 3 salespeople. The cashiers are paid $10 per hour; the stockers are paid $9 per hour; the salespeople are paid $14 per hour. What is the average hourly wage across all your workers?
a) $9 per hour
b) $10 per hour
c) $11 per hour
d) $14 per hour