GRAPHS, FUR1 2004 VCAA 1 MC

The graph below shows the cost (dollars) of mobile telephone calls up to  `240`  seconds long.

The cost of making a  `90`-second call followed by a  `30`-second call is

A.   $1.00

B.   $1.20

C.   $1.25

D.   $1.50

E.   $1.75