Block Commodities has gathered the following information concerning rock salt deliveries to its clients, which it believes are highly seasonal:

a. Suppose Block Commodities calculated a set of seasonal relatives to express this monthly variation in rock salt deliveries, using this set of data. What would be the value of the seasonal relative for the month of July? What would be the value of the seasonal relative for the month of December?

b. Block Commodities believes that this year will be a busy year for rock salt deliveries, forecasting a total of 1,200 tons to be delivered during the year. Using this annual forecast and Block's set of seasonal relatives, what would be a logical forecast for May of next year? What would be a logical forecast for October of next year?

Transcribed Image Text:

Rock Salt Deliveries (tons) Month Year 1 Year 2 Year 3 Year 4 Average Monthly January 75 76 95 117 90.6 February 48 34 34 52 42.0 March 35 48 12 56 37.8 April 22 34 35 25 29.0 May 2 6 12 1 5.3 June 3 5 2 10 5.0 July 28 33 35 28 31.0 August 145 98 109 120 118.2 September 181 197 162 145 171.1 October 190 201 220 180 197.8 November 100 101 110 98 102.3 December 81 70 87 88 81.6 Total 910 904 913 920