What is the difference between higher and lower pleasure for Mill? Why does it m

What is the difference between higher and lower pleasure for Mill? Why does it matter? Is it objective that a pleasure is higher or lower? Is playing Candy Crush higher or lower than going for a hike? 250 words try not to go over by a lot.
you MUST use SHORT, direct quotations in APA style (at least 2 per paragraph). MAKE SURE TO USE THE SOURCES PROVIDED ONLY
Use chapter 7 of “elements of moral philosophy”
Use chapter 3 of “the right thing to do”