The (the rate banks charge their best customers) closely follows the rate that the Fed adjusts by using Open Market Operations.

answer; /// i believe the correct answer is first in, first out(fifo); //

the answer is true.  i do believe this is the answer because of the amount of wrecks people get into each year.  if you double this with avoiding those so said wrecks, that would make you a "skilled" driver.

answer the law of increasing costs;

the correct choice is a