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Determine the missing amounts in each of these four separate situations a through d. a b d $ 525 $ 2,783 $ 2,366 10,062 Supplies available-prior year-end Add: Supplies purchased during the current year Total supplies available Less: Supplies available-current year-end Supplies expense for the current year 3,675 4,200 975 9,462 12,245 2,846 800 2,483 18,374 10,637