Fran cuts hair and makes $500 each week plus tips. If she averages $12 in tips for every haircut and wants to make at least $800 a week, which inequality can be used to estimate the least number of haircuts Fran needs to give?

A. 12 + 500x > 800
B. 500 + 12x ≥ 800
C. 12 + 500x < 800
D. 500 + 12x ≤ 800

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