Q$1.(25$p$)$ Using geometric extrapolation, determine the following municipal water demands of a city for the year $2030$ if it has $P_{1990}=980000,P_{2000}=1200000,($P$.$F$.)$ day $=1.A(1\frac{A}{10})($A is the last digit of your student number$),($P$.$F$.)$ hour $=2.A(2$A$/10)($A is the last digit of your student number$),($P$.$F$.)$ month $=1\mathrm{.}70.$

a$)$ Average daily demand in $I\frac{t}{s},b)$ maximum daily demand in $I\frac{t}{s},c)$ maximum hourly demand of maximum day in It $\frac{?}{s}$

A$=5$