The financial statements of Coca$-$Cola and PepsiCo are presented in Appendices C and D$,$ respectively. The companies'

complete annual reports, including the notes to the financial statements, are available online.

Click here to view Appendix C

Click here to view Appendix D

Use the companies' financial information to answer the following questions.

a$.$ Identify the changes in accounting principles reported by Coca$-$Cola during the $3$ years covered by its income

statements $(2018-2020).$ Describe the nature of the change and the year of change.

b$.$ Identify the changes in accounting principles reported by PepsiCo during the $3$ years covered by its income statements

$(2018-2020).$ Describe the nature of the change and the year of change.

c$.$ What types of estimates did PepsiCo discuss in $2020?$