P Co, the parent company of a group, owns shares in three other companies. P 0〇!3 holdings are:
Q?Shares giving control of 60% of the voting rights in Q Co R?Shares giving control of 20% of the voting rights in R Co. remove all the directors of R Co?P Co also has the right to appoint orS?Shares giving control of 10%of the voting rights in S Co,shares?
plus 90% of the non-voting preference
Which?of these companies are subsidiaries of P Co??