Solvolysis of 2−bromo−2−methylbutane in acetic acid containing potassium acetate gave three products:

Which three of these are the products?

2−Methyl−2−butene
1,1−Dimethylpropyl acetate
1,1−Dimethylpropyl ether
2−Methyl−3−butene
2−Methyl−2−butanol
2−Methyl−1−butene
3−Methyl−2−butanol