Please read the questions and given information before answering. All of them are the same part in one question, so, answer all of them, please.

Hamzah Inc. reported the following information at the end of the first quarter of 2020, Sales $55908 Direct Materials $8392 Direct labor $6440 Factory utilities (variable) $4996 Factory rent $7880 Sales staff salary $5960 Sales commission $2753 Office rent $3308 Answer the following questions (a) The total contribution margin is $ (b) The total net income at the end of the period is $ (c) The total selling and administrative expenses in the traditional approach income statement is $ (d)The total manufacturing costs in the traditional approach is $