What are the dates to the Journal entries on the Revenue Recognition part? Please Help

Accounting test 2 Sales of pipes, including services \begin{tabular}{|l|r|} \hline Delivery date & 31-Jul \\ \hline Invoice date & 30-Jun \\ \hline Date of providing Installa & ion services31-Aug \\ \hline \end{tabular} \begin{tabular}{l|r|l|} \hline & Sales & Cost \\ \hline Pipes & 1,000 & 500 \\ \hline Installation services & 200 & 100 \\ \hline Logistics & 50 & 40 \\ \hline \end{tabular} 1) Revenue recognition, important to provide the date of each posting Pipes Debit Credit Installation Service Debit Credit Logistics Debit Credit 2) Logistics cost recognition Debit Credit Account description Account description Amount Date \begin{tabular}{l|l|l|} & & \\ \hline & & \\ \hline \end{tabular} \begin{tabular}{l|l|l|} & & \\ \hline & & \\ \hline \end{tabular} tion Credit \begin{tabular}{l|l|l} & & \\ \hline & & \\ \hline \end{tabular}