A group of roommates decide to split the cost of their groceries. If g is the amount spent on groceries and n is the number of roommates, the formula   determines each person’s share of the cost. If each person’s share was $104.50 and 6 roommates live in the house, what was the cost of the groceries?    A. $627.00    B. $604.50    C. $574.16    D. $174.17