Before Adjustment Computer Supplies Computer Supplies Expense $1\mathrm{.}400$ Given: At year end, an inventory of Computer Supplies showed $$800.$ Read the requirements a$.$ How much is the adjustment for Computer Supplies?$ b$.$ Complete a transaction analysis box for this adjustment Increasel Accounts Affectod Category Decrease Rules T Accounts Computor SupplioesComputer Supplies Expense $1,400$ c$.$ What will the balance of Computer Supplies be on the adjusted trial balance? $