7만원 24개월 의무약정:   7만원/24개월(의무약정)*20(4개월후해지) =  58,333        
기본요금 4개월 + 통화10분(실사용체크때문에):   (12000+1200)*4    =  52,800        
유심비:                                                                                         =   9,900        
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합:                                                                                                =121,033     

 

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