Can someone please help me with these topics by providing:

• Example, formula (if necessary), and definition.

\begin{tabular}{|l|l|l|} \hline 23 & BDE using % of receivables & \\ \hline 24 & Calculating gross A/R \\ \hline 25 & Present value of N/R \\ \hline 26 & Fair value adjustment for impaired N/R \\ \hline 27 & Petty cash replenishment \\ \hline 28 & Correct cash in bank reconciliation \\ \hline 29 & Correct cash in bank reconciliation \\ \hline \end{tabular}