Carlene sells magazine subscriptions door-to-door. She receives $4 for each subscription sold. The greatest number of subscriptions that she has sold in one hour
of working is five. Which of the following is a reasonable range of her hourly
earnings?
{$0, $1, $2, $3, $4}
{$0, $1, $ 2, $3, $4, $5}
{$0, $4, $8, $12, $16)
{$0, $4, $8, $12, $16, $20}