If Blankenship Enterprises has to switch suppliers in the middle of a large production run, the company will not show a profit for the year
Ttherefore, if Blankenship Enterprises in fact turns out to show no profit for the year, it will also turn out to be true that the company had to switch suppliers during a large production run
The argument involves an equivocation, in that the word profit is allowed to shift its meaning during the course of the argument.