Answer:
The minimum sales should be $16,875.
Step-by-step explanation:
Consider the provided information.
Her job pays her $3,475 per month plus a commission of 4% of her total sales.
Let the total sales is x.
Thus the amount Kimuyen earn
Kimuyen needs to earn $4,150 per month in order to pay all her expenses.
Therefore, Kimuyen can earn more than 4150 but not less than it.
Hence, the minimum sales should be $16,875.