The above table shows the number of widgets, gizmos, and blibbets purchased by a company for three months and the total amount spent for all items each month. Let x1, x2, x3 represent the cost for each widget, gizmo, and blibbet. Complete the linear system: x1 + x2 + x3 = 971 x1 + x2 + x3 = 1,104 x1 + x2 + x3 = 730