i need solve for part 4 and 5

Regression analysis where yt=Economic growth rate and yt is dependent variable and can be measured by real GDP of Malaysia

Independent variables are as follows:

1.Number of Islamic Banks (NIB)

2.Total annual Lending by Islamic Banks (TAL)

3.Total Takaful Funds (TTF)

4.Total Islamic funds (TIF)

5.Total employment by Islamic Banks and other Islamic Financial Institutions (TEIFI)

6.COVID 19; If COVID 19 exists=1 or zero otherwise

7.Yt=ao +b1NIB+b2TAL+b3TTF+b4TIF+b5TEIFI+b6COVID 19 +u

8.Estimate the above model by EXCEL. I have sent you You Tube videos how to do it.