Shania would like to invest in a company which will give her a good rate of return on her investment. She has collected information on four companies. Extracts from their most recent financial...

Shania would like to invest in a company which will give her a good rate of return on her investment. She has collected information on four companies. Extracts from their most recent financial statements are given below:

Which company currently has the highest pre-tax return on shareholders’ funds?

a) Ambit Limited

b) Bolsover Limited

c) Carcan Limited

d) Delphic Limited.