$n-$tem

$r=rw$

$$500$ per $6$ muts

$i_E=[(1\frac{\text{n}\text{i}\text{n}}{m}{)}^m-1)10$

$(1\frac{120}{2}{)}^2$

$[(1\mathrm{.}05{)}^4-1]$

$1e=$

$i=20pr.($ qusry $)(1\frac{10}{2}{)}^2$

Question $3$: Operations and Maintenance $($O&M$)$ cost for a project are $$500$ every $6$ months for a total lapse of $7$ years. Assuming the interest rate is $20\%$ p$.$a$.($compounded quarterly$).$ Find the future value.