Question 20 2.5 The Manufacturing Overhead account shows debits of $30,000, $24,000, and $28,000 and one credit for $80,000. Based on this information, manufacturing overhead has not been applied none of the options given is correct has been underapplied hasen overapplied shows a zero balance Question 21 2.5 Currently, total sales revenue is $10,000 and total variable cost is $4,000. If sales increase by 20%, how much will total varia cost increase? $400 $800 $2.000 Cannot be determined using the information given. SO