If the old machine is replaced, it can be sold for $32800. Which of the following amounts is a sunk cost? $246000 $820000 $287000 $328000

The following information is needed to reconcile the cash balance for gourmet catering services.* a deposit of $5,600 is in transit.* outstanding checks total $1,000.* the book balance is $6,400 at february 28, 2019.* the bookkeeper recorded a $1,800 check as $17,200 in payment of the current month's rent.* the bank balance at february 28, 2019 was $17,410.* a deposit of $400 was credited by the bank for $4,000.* a customer's check for $3,300 was returned for nonsufficient funds.* the bank service charge is $90.what was the adjusted book balance?