Correct Answer - C
Face value of each share = Rs.300
Discound/share = Rs.60
`"Market value of each share (in Rs.)"=300-60=240`
`"Dividend rate"=6%" per annum"`
`"Dividend/share"=6%" of (Rs.300) = Rs.18"`
Let the rate return be `r%`
`r=(18)/(240)(100)=7.5%`.