The sentence "It may mean trying different prices for your newly developed gadget to see which price makes sales pop." (lines 72-74) implies that

higher product pricing will certainly lead to more market sales.

sales are determined solely by the characteristics of the gadget.

the most appropriate price should be defined by the competitors.

the cheaper the product is, the more profitable the company will be.

previous testing of price ranges will help find the one which will boost sales.