Wanda Owns a Store and Has Not Had to Raise

Wanda owns a store and has not had to raise prices recently-and now her store has more customers.Which statement is correct?

A) This can be troublesome because she faces a "menu costs" problem because she must not have increased prices fast enough.
B) This can be troublesome because she faces a price confusion problem: she doesn't know if the extra business means that she should open another store,or if the crowds are a result of inflation,which has caused all consumers to buy at a faster rate.
C) This can be troublesome because she faces a future price uncertainty problem because she doesn't know how much to increase her prices now or in the future.
D) It can't be troublesome; it can only be good.
E) This can be troublesome because too many customers generate deflationary pressures for all businesses.