Senator A agrees to vote for Senator K's state project in exchange for Senator K voting for Senator A's state project. This is an example of:

To produce 10 shirts, the total cost is $80; to produce 11 shirts, the total cost is $99. The average total cost of the 11th shirt is equal to

A) $8. B) $9. C) $80. D) $99. E) $19.

It more difficult for firms to reach collusive agreements when they are of different sizes, with substantially different production costs and estimates of demand conditions, than when these differences are smaller

a. True b. False Indicate whether the statement is true or false