Answer & explanation
Correct answer: option 3
Total money collected
= $(40+25+35)×25+(50+40+50)×100+(20+30+40)×50$
$=2500+14000+4500$
$=21000$
Correct answer: option 3
Total money collected
= $(40+25+35)×25+(50+40+50)×100+(20+30+40)×50$
$=2500+14000+4500$
$=21000$