At store 1, 15 kg of rice costs 832.50 pesos. At store 2, 20 kg rice of the same variety costs 995 pesos. Which store offers the best buy?
a. store 1, 832.50 is less than 995
b. store 2, a kg costs 49.50 only
c. store 1, a kg costs 55.00 only
d. store 2, It has best rice in Town​