A farmer produces both green beans and corn. The farmer must give up 44 bushels of corn to get 13 more bushels of green beans. If the rate of transformation (or tradeoff) between the two goods is constant, then the opportunity cost of 1 bushel of green beans in terms of bushel of corn is? The result should be given to two decimal places in absolute value (e.g if the result is 3.678, write 3.68, if the result is -3,