A local charity earns money to donate to flood victims. It receives $200 per day in cash donations and $150 in pledges but must spend $75 per day in operating costs. After how many days, d, will the charity have enough money to make at least a $1000 donation? A. 200+150-75>1000 B. 200d+150-75d>1000
C. 200d+(150-75)d>1000
D. 200d+150-75d>1000d