The table shows the proportional relationship between the time in hours (h) Sara babysits and the amount in dollars (a) Sara earns babysitting. ha
28
312
416
520
The equation a = 5h shows the relationship between the amount in dollars (a) Abbey earns babysitting and the time in hours (h) Abbey babysits.

Which statement correctly identifies who earns more and how much more she earns?
A
Sara earns $1 more per hour than Abbey.

B
Sara earns $4 more per hour than Abbey.

C
Abbey earns $1 more per hour than Sara.

D
Abbey earns $5 more per hour than Sara.