What is the space, in bytes, occupied by the playlist Grunge, and how much would it cost? (Assume that the cost of a playlist is the sum of the price of its constituent tracks) and

Which artists did not make any albums at all? Include their names in your answer.

Which artists did not make any albums at all?

\begin{tabular}{|l|} \hline Track \\ \hline Trackld \\ \hline Name \\ \hline Medbumld \\ \hline Genreld \\ \hline Composer \\ \hline Milliseconds \\ \hline Bytes \\ \hline UnitPrice \\ \hline \end{tabular} Invoiceline \begin{tabular}{|l|} \hline Invoicelineld \\ \hline Invoiceld \\ \hline Trackld \\ \hline UnitPrice \\ \hline Quantity \\ \hline \end{tabular} \begin{tabular}{l} Invoice \\ \hline Invoiceld \\ \hline Customerld \\ \hline InvoiceDate \\ \hline BillingAddress \\ \hline BillingCity \\ \hline BillingState \\ \hline BillingCountry \\ \hline BillingPostalCode \\ \hline Total \\ \hline \end{tabular}