Please help with excel step by stro please

the attached files contain the data and necessary Excel instructions for the third Excel HW$.$

We will use this data to answer the following questions:

Find the regression line that gives Credit Balance as a function of Income.

Calculate the correlation coefficient

Describe the correlation between Credit Balance and Income.

Estimate the Credit Balance for a credit customer whose annual income is $$50,000.$

Would this model be useful in estimating the Credit Balance for a customer whose income is $$125,000$ per year? Explain.