managerial accounting questions help

i need help with the following 3 questions. included are pics of the questions

http://imgur.com/aCYfbsL

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http://imgur.com/58VnTE1

as u can see in this ? i have 98% of the answers correct, im just stuck on those red boxes which i got wrong. am i missing something, please help with this

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http://imgur.com/8vc8S9M

thanks in advance for your help


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