Identify the major product formed in the following reaction sequence

First step of the reaction involves friedel-craft's acylation of toluene to form 4-methyl acetophenone, The electrophile generated in the above reaction is acetyl carbocation

In the second step  4-methyl acetophenone. undegoes oxidation in presence of potassium permanganate in alkaline medium followed by hydrolysis to form Terephthalic acid or Benzene-1,4-dicarboxylic acid.