If aggregate supply is vertical, then which of the following statements must be true?

A) Aggregate demand does not affect the quantity of output.
B) Aggregate demand does not cause inflationary changes in price level.
C) Inflation will accompany any rise in output.
D) Inflation creates greater social benefits.

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?