Sameen is 32 years old, single, and lives in an inexpensive bachelor apartment. She works for a top advertising company earning $75,000 a year, with great benefits, including a generous pension plan. She has an RRSP that is currently worth $130,000 but does not have any significant investments outside of this RRSP. Based on this information, what should Sameen's primary objective be for her RRSP investments? a) Tax minimization b) Income. c) Safety of principal. d) Growth