Currently an economy is producing (at a point on its production possibilities frontier) 100 units of good x and the opportunity cost of producing 1x is 3y. if good x is produced at increasing opportunity costs, then when the economy produces 120 units of good x (on the same ppf) the opportunity cost of producing 1y (not 1x) could be: (a) 1/4x. (b) 1/3x. (c) 1/2x. (d) 1x. (e) none of the above

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?