please if you can show the steps

The Excel-format spreadsheet, Econ-3200_Assignment_1_Data, contains data on the price ($000) and sqrft (size measured in square feet) of 20 homes recently sold in a particular small city. For each of the following questions, make all necessary calculations using only a calculator or a spreadsheet (as shown in class). (Do not use regression software.). Show all of your calculations. (a) Using the sample data, estimate the values of 0 and 1 for the simple linear regression model given by: price i=0+1sqrfti+ui