Derive the respective closed$-$form T$($n$)$ for the number of times the function Bar is called. $($a$)$

function GloriousCount$($n : Z$+)$ count $0$

for i from $1$ to n $1$ do for j from $0$ to n $1$ do

count $$ Bar$($i $+$ j$)$ end for

end for

for k from $0$ to n$21$ do

count $$ Bar$($k$)$ end for

return count end function