Last year a restaurant chain spent 3.3 x 10^6 dollars opening new restaurants. this year the restaurants will spend 9.9 x 10^5 dollars. which statement is true?
a: the restaurant spent over $330,000 last year
b: this year the restaurant will spend $9,900,000,
c: the restaurant spent 6.6 x 10^6 dollars more this year than last year.
d: this year the restaurant will spend about 0.3 times the amount it did last year