Having classified their costs, Steinway Musical Instruments, Inc. reported the following costs and expenses for the most recent morth Administrative expenses Manufacturing overhead Direct labor Selling expenses Direct materials $95,000 $172,000 $105,000 $47.000 $242,000 Required: Answer a, b, c,& d. (Show your calculations, and label your answers with the appropriate letters in the answer space) Calculate the total amount of product costs? b. Calculate the total amount of period costs? c. Calculate the total amount of conversion costs? d. Calculate the total amount of prime costs