What was Robert peels greatest achievement ?

The greatest accomplishment of Peel's ministry was the establishment of the principle of free trade

what do you                                                                                                                                              

step-by-step explanation:

100%     = 120

1%= 120/100=   1.2

9%   = 1.2 x 9=     10.8

10.80 to the 120 to get $130.80