The following quotes present an arbitrage opportunity.

Bank A: $$1\mathrm{.}10=1$

Bank B: $1\mathrm{.}25=1$

Bank C: $$1\mathrm{.}40=1$

When the equilibrium condition is restored after arbitrage activities, would the number, $1\mathrm{.}25,$ in Bank go up or down?

Select one:

a$.$ Go down.

b$.$ Go up$.$

c$.$ Stay the same.

d$.$ Cannot be determined by these numbers.