For the next $8$ years an account that Cameron opens today with $$7,220$ will earn $6\mathrm{.}50\%$ interest.

Q$01$ How much interest has he accumulated?

Q$02$ How much interest$-$on$-$interest did he accumulate since August

Q$1,2023?$

Q$03$ much interest has accumulated on his principal since August

$31,2023?$

Q$04$ How much interest did he accumulate since August $31,2023?$

Q$05$ How much does he owe?

Q$06$ How much interest$-$on$-$interest has he accumulated?

I need the excel functions for each question. thank you.