You are given a math word problem and you are supposed to make use of mathematical concepts like probability, combinatorics, linear equations, sequences/series, or simple operators like addition, subtraction, division, or multiplication to answer the given question. Choose the best option from the 5 given options and report that option.

Ex Input:
Question: The average expenditure of a labourer for 6 months was 90 and he fell into debt. In the next 4 months by reducing his monthly expenses to 60 he not only cleared off his debt but also saved 30. His monthly income i

Option A: 70

Option B: 72

Option C: 75

Option D: 78

Option E: 81

Ex Output:
Option E

Ex Input:
Question: Rs.800 amounts to Rs.920 in 3 years at simple interest. If the interest is increased by 3%, it would amount to how much?

Option A: Rs.1056

Option B: Rs.1112

Option C: Rs.1182

Option D: Rs.992

Option E: Rs.702

Ex Output:
Option D

Ex Input:
Question: Mona and Donald fly to Rome for the weekend. They take cash only in notes of $10 and notes of 10. Mona carries three times the amount of euros Donald carries. She also carries as many dollars as Donald carries. The number of 10 notes they take is double the number of $10 notes they take. If Donald carries a total of 39 notes (of either $10 or 10,) then what is the total number of notes (of either $10 or 10,) they take?

Option A: 130

Option B: 80

Option C: 100

Option D: 120

Option E: 150

Ex Output:
Option A