I need this manually calculated, not in excel and explained in details as possible.

The unit price of an investment fund for five consecutive days is given as follows (in EUR / share): day 0 1 2 3 4 unit price 100 103 107 102 104 Note that there is a dividend payment on the second day of 2 EUR / share. Caculate a) the daily total return of the investment fund for each day b) the total return of the investment fund for the entire period c) the money-weighted rate of return