Ria is an indian student who was admitted to a us university. her annual tuition is $42,000. she has to pay her tuition fees in us dollars. she needs to calculate how many indian rupees she will need to buy one dollar. the rupee exchange rate is 63.76 and rupee to dollar exchange rate is 0.015. how many indian rupees will ria need to buy one dollar.?

a.) 50.00 rupees
b.) 56.00 rupees
c.) 63.76 rupees
d.) 76.63 rupees