Year	Return
1980	32.42
1981	-4.91
1982	21.55
1983	22.56
1984	6.27
1985	31.73
1986	18.67
1987	5.25
1988	16.61
1989	31.69
1990	-3.1
1991	30.47
1992	7.62
1993	10.08
1994	1.32
1995	37.58
1996	22.96
1997	33.36
1998	28.58
1999	21.04
2000	-9.1
2001	-11.89
2002	-22.1
2003	28.68
2004	10.88
2005	4.91
2006	15.79
2007	5.49
2008	-37
2009	26.46
2010	15.06
2011	2.11
2012	16
2013	32.39
2014	13.69
2015	1.38
2016	11.96
2017	21.83
2018	-4.38
2019	31.49

How much money would you have by the end of 2019? Problem 4. Hard problem: Suppose that you invested $x in 1980. Plot the amount of money you would have in 2019 for all values of $x between $0 and $100,000. Solve using R Studio