Garcia Industries sells padlocks. It reported an increase in net sales from $4.0 billion in 2017 to $4.3 billion in 2018 , and an increase in gross profit from $1.2 billion in 2017 to $1.4 billion in 2018. 1. Calculate each year's gross profit percentage. (Round your answers to 1 decimal place.) 2. The change in gross profit represents: Complete this question by entering your answers in the tabs below. Calculate each year's gross profit percentage. (Round your answers to 1 decimal place.)