In which of the following situations would an auditor ordinarily choose between expressing a qualified opinion and an adverse opinion?

The auditor did not observe the entitys physical inventory and is unable to become satisfied about its balance by other auditing procedures.

Conditions that cause the auditor to have substantial doubt about the entitys ability to continue as a going concern are inadequately disclosed.

There has been a change in accounting principles that has a material effect on the comparability of the entitys financial statements.

The auditor is unable to apply necessary procedures concerning an investors share of an investees earnings recognized in accordance with the equity method.