Custodian Commandos, Inc,, provides janitorial services to public school systems. The business adjusts its accounts monthly, but closes them only at year-end. It fiscal year ends on December 31 . A summary of the company's total revenue and expenses at the end of five selected months is as follows. a. Rank the company's fiscal quarters from most profitable to least profitable. b. Compute the company's income for the month of September. c. Compute the company's net income (or loss) for the first two months of the third quarter. Provide a possible explanation why profitability for the first two months of the third quarter differs significantly from profitability achieved in the third month of the quarter (as computed in part b)