25yrold male from Nigeria. Bsc economics 3.5CGPA, over 3yrs in audit with PwC and gmat score of 620 (first attempt)...im aiming a top 20 league sch; my targets where initially wharton, cornell n duke but i realise wharton might be a little too ambitious with my gmat score?...pls whats your take, what top 20 schools can i apply to with my stats or do i need to redo the gmat? (Redoing the gmat means applying for second round)...thanks5yrold male from Nigeria. Bsc economics 3.5CGPA, over 3yrs in audit with pwc and gmat score of 620 (first attempt)...im aiming a top 20 league sch; my targets where initially wharton, cornell n duke but i realise wharton might be a little too ambitious with my gmat score?...pls whats your take, what top 20 schools can i apply to with my stats or do i need to redo the gmat? (Redoing the gmat means applying for second round)...thanks