A company sells seven types of boxes, ranging involume from 17 to 33 cubic feet. The demand andsize of each box is given in Table 7. The variablecost (in dollars) of producing each box is equal tothe box's volume. A fixed cost of $1,000 isincurred to produce any of a particular box. If thecompany desires, demand for a box may besatisfied by a box of larger size. Formulate and solve a shortest-path problem whose solution will minimize the cost of meeting the demand forboxes