Answer: The answer is (B) Payment History.
Step-by-step explanation: We are to select among the options given that which factor contributes the most to the calculation of FICO scores.
Following the 5 factors along with their contribution on which FICO scores depends.
(i) Payment history - Contributes 35% to FICO score.
(ii) Amount owed - Contributes 30% to FICO score.
(iii) Length of credit history - Contributes 15% to FICO score.
(iv) Credit mix - Contributes 10% to FICO score.
(v) New credit - Contributes 10% to FICO score.
Thus, option (B) is the correct opyion, because payment history contributes the most to FICO score (35%).