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First commission
$\frac {2}{100}\times 30000 = Ksh. 600$
Second commission
$\frac{3}{100}\times 60000 = Ksh. 1800$
Total earnings = Ksh (600 + 1800 + 22000) = Ksh. 24400
raphael answered the question on December 16, 2016 at 13:53