. The purchases method differs from the consumption method The Boyd School District began a recent fiscal year with $3,000 of supplies in stock. During its fiscal year, it engaged in the following transactions relating to supplies: a. It purchased supplies at a cost of $22,000. b. It paid for $19,000 of the supplies. c. It used $20,000 of the supplies, and thus had $5,000 in supplies inventory at year-end.