Leah Berry is entering her senior year as an accounting major and has a number of options for her summer break. Her options for the 3-month break follow:

(1) Work full time at a local accounting firm making $3,400 per month.

(2) Take a summer class which will cost $200 per month and work half time making $2,500 per month.

(3) Take two classes at a cost of $1,200 and not work at all during the summer.

Leahs incremental revenue if she chooses option 1 over option 2 would be

$900 per month.$800 per month.$700 per month.$3,400 per month.$1,000 per month