Which of the following statements is correct?

a. weighted-average costing yields a higher amount than a simple average.
b. weighted-average costing yields a lower amount than a simple average.
c. weighted-average costing yields the same amount as a simple average.
d. without specific numbers, there is no way to know whether
e. weighted-average costing or a simple average yields a higher, lower, or the same amount. group of answer choices