Since neighboring country Bordland dropped all tariffs on imports of our country's automobiles one year ago, the number of automobiles sold annually in Bordland has not changed. However, recent statistics show a drop in the number of automobile factory workers in Bordland. Meanwhile, the number of people employed by automobile factories in our country has long been significantly higher than in Bordland. Therefore, updated trade statistics will probably indicate that the number of automobiles Bordland imports annually from our country has increased.
Which of the following is an assumption on which the argument depends?
【选项】
The average number of person-hours it takes a Bordland automobile assembler to assemble an automobile has not decreased significantly during the last twelve months.
选项是否正确？