Assume inflation rates have been as follows, $2020$: $0\mathrm{.}2$

per cent; $2019$: $0\mathrm{.}8$ per cent; $2018$: $1\mathrm{.}2$ per cent; $2017$: $1\mathrm{.}1$ per cent; and in $2016$: $1\mathrm{.}6$

per cent. Calculate the average real return of Hardy Group and Gainsbourg

Year Hardy Group $(\%)$ Gainsbourg $(\%)$

$202060\mathrm{.}73\mathrm{.}6$

$201924\mathrm{.}137\mathrm{.}5$

$201833\mathrm{.}6105\mathrm{.}5$

$201762\mathrm{.}361\mathrm{.}8$

$201621\mathrm{.}833\mathrm{.}2$