Determine the missing amounts in each of these four separate situations a through d a b C Supplies availableprior year-end $ 450 $ 2,385 $ 2,027 Supplies purchased during current year 3,150 8,109 8,709 Total supplies available 3,600 10,494 Supplies available-current year-end (900) (2,507) (800) Supplies expense for current year 2.085 15.429 9.284