In January, Terry spent $100 on food, $25 on clothing, and $140 on utilities. In February she spent $140 on food, $75 on clothing, and $60 on utilities. In March she spent $150 on food, $50 on clothing, and $45 on utilities. Write a 3times1 matrix for each month's expenditures and find the sum of the three matrices. What do the entries in the sum represent? Question content area bottom Part 1 The matrix for January is Jequals enter your response here, for February is Fequals enter your response here, and for March is Mequals enter your response here. (Type an integer or simplified fraction for each matrix element.)