The only gift certificates that the boutique sold yesterday were worth either $10 each or $100 each. If the boutique sold a total of ten gift certificates yesterday, how many gift certificates worth $10 did the boutique sell yesterday?
Statement 1: The gift certificates sold by the store yesterday were worth a total of between $600 and $700.
Statement 2: Yesterday, the boutique sold more than four $100 gift certificates. Which of the statements above make it possible to answer the question?
Statement 1 alone is sufficient, but Statement 2 alone is not sufficient Statement 2 alone is sufficient, but Statement 1 alone is not sufficient Each statement alone is sufficient Both statements together are sufficient, but neither statement alone is sufficient Statements 1 and 2 together are not sufficient