In 1969, Malcolm bought a Pontiac Firebird for $2,500. If the price index was 36.7 in 1969 and the price index was 235 in 2013, then what is the price of the Firebird in 2013 dollars?

a. $4,609.57
b. $4,957.5
c. $13,508.17
d. $16,008.17