曼哈顿里的一逻辑题求解

Box office receipts for independent movies for the first half of this year have increased by 20 percent over the total receipts for independent movies for all of last year. Last year, 50 independent movies were released, while so far this year only 20 independent movies have been released. The number of independent movies slated for release in the second half of this year is roughly equal to the number released so far.

1. The total box office receipts for independent movies this year will be significantly more than 20 percent greater than the receipts for independent movies last year

2. The number of independent movies released in the first half of this year is equal to the number released in the first half of last year.

3. The price of a movie ticket has not increased since last year.

4. The average revenues of the independent films released during the first half of this year is greater than that of all independent films released last year.

5. The number of people seeing independent movies during the first half of this year is greater than the number who saw independent movies last year.

我选的A，而答案为D。 不解的是receipts可以跟revenue相提并论吗？如果我今年比去年多卖了20张票但我价格低了，Average revenue也有可能比去年低吧？