As the U.S. price level decreases, other things equal, U.S. products become
a. more expensive abroad, which decreases U.S. exports
b. less expensive abroad, which increases U.S. exports
c. more expensive abroad, which has no effect on U.S. exports, since exports are assumed to be constant
d. less expensive abroad, which has no effect on U.S. exports, since exports are assumed to be constant
e. more expensive abroad, which increases U.S. exports