What is the best estimate of the stock's post-split price?

Last week, Weschler Paint Corp. completed a 3-for-1 stock split. Immediately Prior to the split, its stock sold for $170 per share. The firm's total market value was unchanged by the split. Other things held constant, what is the best estimate of the stock's post-split price? Select the correct answer. O a. $54.67 O b. $56.67 O c. $52.67 O d. $53.67 O e. $55.67