When Burt learned that his creditors routinely report his financial data to the major credit reporting agencies, he wondered what kind of score he had established. Which is the largest component in calculating Burt’s FICO score?

A. new credit

B. length of credit history

C. types of credit in use

D. payment history

D. payment history

is this right

Yes, that is correct. The largest component in calculating a FICO score is the individual's payment history. This includes making payments on time, late payments, and any missed payments.