$2\mathrm{.}2.$ An electrical engineer wants to deposit an amount $P$ now such that she can withdraw an equal annual amount of $A1=$$$2000$ per year for the first $5$ years,

starting $1$ year after the deposit, and a different annual withdrawal of A$2=$$$3000$ per year for the following $3$ years. How would the cash flow diagram appear if $i=8\mathrm{.}5\%$ per year? $(10$ marks$)$