Vickie Earns $1,000 Per Week and Spends $850 Per Week

Vickie earns $1,000 per week and spends $850 per week on living expenses,puts $50 in a savings account,and buys $100 worth of stocks.Vickie's saving is ________ and her saving rate is ________.

A) $50;5%
B) $50;5.9%
C) $100;10%
D) $100;11.8%
E) $150;15%