QUESTION $1$: Verbal Description $(10$ Marks$)$

Criteria

Marks

Clear explanation of fixed cost

$2$

Clear explanation of variable cost per GB

$2$

Uses correct terminology $($e$.$g$.,$ total cost, per GB$,$ base fee$)$

$2$

Explains how fixed and variable costs combine into total

$2$

Uses full, coherent sentences; clarity and completeness

$2$