PLEASE HELP ASAP NO LINKS. For four Fridays in January, Laurel earned $20.50, $30.75, $28.00, and $25.25 from babysitting.
In February, she earned $12 more for babysitting four Fridays than she did in January.
What is the increase in the mean for February compared to January?
Round the answer to the nearest penny.
Enter your answer in the box.