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O $6800 Before month-end adjustments are made, the September 30 trial balance of Horton Enterprise contains revenue of $9.200 and expenses of $6,500. Adjustments are necessary for the following items: O $6700 O $6600 Depreciation for September is $300. Revenue earned but not yet billed is $2.100. Accrued interest expense is $800. Revenue collected in advance that is now earned is $3.400. Portion of prepaid insurance expired during september SB00 $6900 Calculate the correct net income for Horton's Enterprise for September