Q$1.($a$)$ Differentiate between economic and financial analysis.

of $7$

$(4$ marks$)$

$($b$)$ Damages due to flood associated with traffic and structural damages of a bridge for $10-$year to $1000-$year floods are given in Table Q$1$b$.$ Estimate the average annual damage.

$(6$ marks$)$

TABLE Q$1$: Cost of damages for difference return periods

$\backslash$table$[[,$Damage $($RM Million$)],[\backslash$table$[[$Return Period$],[(yr)$