Jоe tооk up golf аnd wаnted to plаy well. He purchased a set of golf clubs, a bag, tees, balls, and a glove for $800. He also spent $500 on lessons and $50 a week at the driving range. For the next year, Joe spent every Saturday morning or Wednesday afternoon playing eighteen holes of golf (weather permitting). Joe estimated that his green fees and cart fees for the year were over $2,000. Leon's ability to pursue golf in this fashion is partly dictated by which background factor?