Based on the following quotes,

Bank A: $1.16 = 1

Bank B: 1.25 = 1

Bank C: $1.40 = 1

Assume the quotes in Banks B and C are correct, is US dollar overpriced, under-priced, or priced correctly in Bank A?

Select one:

a. Dollar is correctly priced.

b. Over-priced

c. Under-priced

Please show how I can calculate in excel