Hawks Storage Inc. rents storage space to students in the Waterloo area. The rentals are for a four or eight month period to correspond with students needs for storage during terms that they are home or on work terms. Hawks Storage Inc. has chosen a October 31 fiscal year end and began operations in 2020. During the year ended October 31, 2020 Hawks storage Inc. received customer rental payments as follows: Rentals for the period May 2020-August 2020 $ 6840 Rentals for the period May 2020-December 2020 $ 7200 Rentals for the period September 2020-April 2021 $8160 Rentals for the period September 2020-December 2020 $ 2560 Hawks Storage Inc. provided the rental space as scheduled. Calculate the amount of rental revenue for the first fiscal year ended October 31, 2020. Round your answer to the nearest dollar