The price tag on a golf ball in 1975 read $0.20, and the price tag on a golf ball in 2005 read $2.00. The CPI in 1975 was 52.3, and the CPI in 2005 was 191.3. Refer to Scenario 24-2. The price of a 1975 golf ball in 2005 dollars is________.

a. $0.05.
b. $0.53.
c. $0.73.
d. $2.00.