Two farmers Ramkishan and Gurcharan Singh cultivates only three varieties of rice namely Basmati, Permal and Naura. The sale (in Rupees) of these varieties of rice by both the farmers in the month of September and October are given by the followi

Explanation

combined sale`=A+B`

`[[10000+5000,20000+10000,30000+6000],[50000+20000,30000+10000,10000+10000]]`

`=[[15000,30000,36000],[70000,40000,20000]]`

Decrease in sale`=A+B`

`[[10000-5000,20000-10000,30000-6000],[50000-20000,30000-10000,10000-10000]]`

`=[[5000,10000,24000],[30000,20000,0]]`

Profit`=2%of sales`

`2%`of sales in october

...