Mr Mr. Qasim Baig got bonus in several years as under:  
Years  
               
Bonus (Rs.)
 
           2012      
50,000/-
           2013      
80,000/-
           2014      
65,000/-
           2015      
Nil
           2016      
75,000/-
           2017      
Nil
           2018      
80,000/-
 He  had  invested  above bonuses  in  the  same  year  at  the  rate  of  10%  per  year compounded annually. He wishes to draw accumulated amount included profit in the year 2020.
 
            Required:
i) What amount of total profit he will be received in the year 2020? When profit    reinvest made every year.    ii) How much total amount he invested during 2012 to 2020?
iii) What amount of total profit he will be earned till 2015? When he did not draw any  profit till 2015? iv) How much total amount he will get in the year 2020 included profit?​