In family A, there are 6 men, 5 women and 3 children. In family B, there are 3 men, 2 women and 5 children. The recommended daily allowance for calories is man- 2500 ; woman- 2000 and child- 1800 & for protein is man- 60 grams; woman 50 grams and child 35 grams. Using matrix algebra, calculate the total requirement of calories and proteins for each of the two families.