You are given the the information below on a mutual fund. What is the arithmetic average? Year 1 Asset under management at start of year (millions of $) 100.00 Holding-Period Return (% per year) 21.00 Asset under management before flows (millions of $) 121.00 Net inflows (in millions of $) -5.00 Asset under management at end of year (millions of $) 116.00 Year 2 116.00 -15.00 98.60 -21.00 77.60 Year 3 77.60 -7.00 72.17 -20.00 52.17 Year 4 52.17 -6.00 49.04 -52.17 0.00