If the assumptions are true, the conclusion relating to the longer time taken to ship the special apparel than the softcover books is correct.
The conclusion is a brief summary of any topic without going into the detail of it.
The shipping time taken to deliver the softcover books is 2 days, that is, 1 day more than the shipping time taken to deliver hardcover books. There is a difference of only one day in both the shipping. The time taken by special apparel to ship is longer than the hardcover books which means that time is also greater than softcover books.
Therefore, the provided conclusion statement is correct keeping all the assumptions true.
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