Overall, the case demonstrates how changes inaffected LEGO's performance.

Overall, the case demonstrates how changes in STRATEGY affected LEGO's performance.

the answer would be voluntary exchange -

"the act of buyers and sellers freely and willingly engaging in market transactions. moreover, transactions are made in such a way that both the buyer and the seller are better off after the exchange than before it occurred."

hope this : )

-shy

answer; ///after donning a gown, mask and eyewear;