I think commission which he received is Rs. 15000 of his total sales

Step-by-step explanation:

Given that he makes 1450 on commission alone.

⇒5% of Total sales=1450

100

5

× Total=1450

Total=29000

Given that he earns 1% on excess of sales of 20000

Earnings=1% of excess

=

100

1

×(29000−20000)

=90

∴He earns Rs.90

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hi i am Rohit whats your name