am stall sells both green tea and mocha ice cream A small portion of either costs 0 75 and large portion costs 1 25 During a short period of time the number of ice creams sold is own in the ta below Green Tea Mocha 0 ii Given that M H 3 4 small 3 Write down a column matrix N representing the cost of each portion of ice cream 3 iii Explain what the numbers given in your answer in ii signify 6 3 6 large 4 evaluate MN 3