Cannister, Inc., specializes in the manufacture of plastic containers.

Part 2

a. Using the multiplicative seasonal method, calculate the monthly seasonal indices. (Enter your responses rounded to three decimal places.)

\begin{tabular}{cccccc} \hline Year & 1 & 2 & 3 & 4 & 5 \\ \hline January & 692 & 691 & 846 & 901 & 980 \\ February & 708 & 711 & 804 & 872 & 1,043 \\ March & 676 & 674 & 785 & 838 & 1,026 \\ April & 804 & 838 & 961 & 1,015 & 1,191 \\ May & 993 & 1,062 & 1,167 & 1,237 & 1,431 \\ June & 1,095 & 1,211 & 1,314 & 1,410 & 1,625 \\ July & 1,182 & 1,307 & 1,320 & 1,503 & 1,628 \\ August & 1,241 & 1,374 & 1,461 & 1,580 & 1,633 \\ September & 1,300 & 1,433 & 1,565 & 1,696 & 1,620 \\ October & 1,069 & 1,234 & 1,391 & 1,538 & 1,358 \\ November & 947 & 1,042 & 1,146 & 1,379 & 1,095 \\ December & 705 & 823 & 945 & 1,131 & 935 \\ \hline \end{tabular} \begin{tabular}{cccccc} \hline Year & 1 & 2 & 3 & 4 & 5 \\ \hline January & 692 & 691 & 846 & 901 & 980 \\ February & 708 & 711 & 804 & 872 & 1,043 \\ March & 676 & 674 & 785 & 838 & 1,026 \\ April & 804 & 838 & 961 & 1,015 & 1,191 \\ May & 993 & 1,062 & 1,167 & 1,237 & 1,431 \\ June & 1,095 & 1,211 & 1,314 & 1,410 & 1,625 \\ July & 1,182 & 1,307 & 1,320 & 1,503 & 1,628 \\ August & 1,241 & 1,374 & 1,461 & 1,580 & 1,633 \\ September & 1,300 & 1,433 & 1,565 & 1,696 & 1,620 \\ October & 1,069 & 1,234 & 1,391 & 1,538 & 1,358 \\ November & 947 & 1,042 & 1,146 & 1,379 & 1,095 \\ December & 705 & 823 & 945 & 1,131 & 935 \\ \hline \end{tabular}