Determine the missing amounts in each of these four separate situations a through d. a b ed $ $ 2.703 Supplies available prior year-end Supplies purchased during the current year Total supplies available Supplies available current year-end Supplies expense for current year 11 412 600 $ 4,200 4,800 (1.050) 3,180 10,812 13,992 (3,183) 21,312 (800) 11.987 2.880