Exercise 16-25 Multiple tax rates; balance sheet classication [L016-1. 164, 16-5. 16-8] Case Development began operations in December 2016. When...

I'm getting this answer partially incorrect please explain 

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Pretax Accounting income (given) 810,000 less muncipal interest revenue -10,000 Pre tax accounting income subject to tax 800,000 Temporary differenceinstallment income(taxble when collected)...