please show working if possible

100 blue chip industrial shares (par value {content}.50) were recently purchased which have a dividend of 40%. The market price is per share, what is the yield?

a)8.00%
b)16.67%
c)6.67%
d)40.00%

What is the dividend paid on a share with a yield of 4.5%?

a){content}.27
b){content}.39
c){content}.05
d){content}.45

What is the dividend paid on a Listed Property Trust with a unit price of .20 and a yield of 15%?

a).80
b).50
c){content}.18
d){content}.15