The City of Brandon is installing a new swimming pool in the municipal recreation

centre. Two designs are under consideration, both of which are to be permanent

$($

i

$.$

e

$.$

$,$

$$lasting forever

$)$

$.$

$$The first design is for a reinforced concrete pool that has a first

cost of $

$1$

$5$

$0$

$0$

$0$

$0$

$0$

$.$

$$Every

$1$

$0$

$$years$,$ the inner surface of the pool would have to be refinished and painted at a cost of $

$2$

$0$

$0$

$0$

$0$

$0$

$.$