Sean works for a company.  His normal rate of pay is £$12$ per hour.  When Sean works more than $8$ hours a day, he is paid overtime for each hour he worksmore than $8$ hours.  Sean\textquotesingle s rate of overtime pay per hour is~$1\dfrac{1}{4}$ times his normal rate of pay per hour.  On Monday Sean worked for $10$ hours.  Work out the total amount of money Sean earned on Monday. 
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