Answer:
75 oz is the the best buy size as it is offering the lowest unit price i.e. $.12
Explanation:
75 oz is selling at the price of $8.94
price of 1 oz will be = 8.94/75 = $.12
100 oz is selling at the price of $13.97
price of 1 oz will be = 13.97/100 = $.14
150 oz is selling at the price of $19.97
price of 1 oz will be = 19.97/150 = $.13
thus,
75 oz is the the best buy size as it is offering the lowest unit price i.e. $.12