an investor bought $1 of T-Bills in the beginning of 1990, how much did the investor have at the end of 1994?

year return on t-bills

1990 = 7.69

1991 = 5.43

1992 = 3.48

1993 = 3.03

1994 = 4.39

1995 = 5.61

show excel function and explanation please !