Unqualified Audit Reports for Each of the Following Situations,define the Type

Unqualified audit reports For each of the following situations,define the type of problem encountered and provide an explanation as to the type of report which was issued.
$\begin{array}{ll} \underline { \text { Situation } } & \underline { \text {Report Issued } } \\ \text {The auditor is unable to confirm three } &\text { Unqualified/Unmodified } \\ \text {customer accounts receivable. } & \\ \text { The client forgot to accrue a contingent liability. } &\text { Unqualified/Unmodified } \\ \text { The auditor believes there is substantial doubt} & \\ \text { regarding the client's ability to continue as a } &\text { Unqualified with Explanatory Paragraph } \\ \text { going concern. } & \\ \text {The client properly adopts a new accounting } &\text { Unqualified with Explanatory Paragraph} \\ \text { principle promulgated by the FASB. } & \\\end{array}$