Base SAS Certification Questions on YEARCUTOFF option

Question 1. In order for the date values 05May1955 and 04Mar2046 to be read correctly, what value must the YEARCUTOFF= option have?

a. a value between 1947 and 1954, inclusive
b. 1955 or higher
c. 1946 or higher
d. any value

Question 2:- Which time span is used to interpret two-digit year values if the YEARCUTOFF= option is set to 1950?

a. 1950-2049
b. 1950-2050
c. 1949-2050
d. 1950-2000