Complete the following invoice, finding the net price using the single trade discount rate.

\begin{tabular}{|c|c|c|c|}
\hline
Qty & Item & Unit Price & List Price \\
\hline
20 & Notebooks & [tex]$\$[/tex] 1.63[tex]$ & \\
\hline
40 & Looseleaf paper & $[/tex]\[tex]$ 0.89$[/tex] & \\
\hline
15 & Ballpoint pens & [tex]$\$[/tex] 0.71[tex]$ & \\
\hline
& & Total List Price & \\
\hline
& & 20\% Trade Discount & \\
\hline
& & Net Price & \\
\hline
\end{tabular}

Fill in, rounding to the nearest cent as needed.

\begin{tabular}{|c|c|c|c|}
\hline
Qty & Item & Unit Price & List Price \\
\hline
20 & Notebooks & $[/tex]\[tex]$ 1.63$[/tex] & [tex]$\$[/tex] 32.60[tex]$ \\
\hline
40 & Looseleaf paper & $[/tex]\[tex]$ 0.89$[/tex] & [tex]$\$[/tex] 35.60[tex]$ \\
\hline
15 & Ballpoint pens & $[/tex]\[tex]$ 0.71$[/tex] & [tex]$\$[/tex] 10.65[tex]$ \\
\hline
& & Total List Price & $[/tex]\[tex]$ 78.85$[/tex] \\
\hline
& & 20\% Trade Discount & [tex]$\$[/tex] 15.77[tex]$ \\
\hline
& & Net Price & $[/tex]\[tex]$ 63.08$[/tex] \\
\hline
\end{tabular}



Answer :

Sure, let's complete the invoice step-by-step, rounding to the nearest cent as needed:

First, let's calculate the list price for each item:

1. Notebooks:
- Quantity: 20
- Unit price: [tex]$1.63 - List price: \( 20 \times 1.63 = \$[/tex]32.60 \)

2. Looseleaf paper:
- Quantity: 40
- Unit price: [tex]$0.89 - List price: \( 40 \times 0.89 = \$[/tex]35.60 \)

3. Ballpoint pens:
- Quantity: 15
- Unit price: [tex]$0.71 - List price: \( 15 \times 0.71 = \$[/tex]10.65 \)

Next, we sum up the list prices to get the total list price:
[tex]\[ \$32.60 + \$35.60 + \$10.65 = \$78.85 \][/tex]

Now, apply the 20% trade discount:
[tex]\[ 20\% \text{ of } \$78.85 = 0.20 \times 78.85 = \$15.77 \][/tex]

Finally, subtract the discount from the total list price to get the net price:
[tex]\[ \$78.85 - \$15.77 = \$63.08 \][/tex]

Here's the completed invoice:

\begin{tabular}{|c|c|c|c|}
\hline Qty & Item & Unit price & List price \\
\hline 20 & Notebooks & [tex]$\$[/tex] 1.63[tex]$ & $[/tex]\[tex]$ 32.60$[/tex] \\
\hline 40 & Looseleaf paper & [tex]$\$[/tex] 0.89[tex]$ & $[/tex]\[tex]$ 35.60$[/tex] \\
\hline 15 & Ballpoint pens & [tex]$\$[/tex] 0.71[tex]$ & $[/tex]\[tex]$ 10.65$[/tex] \\
\hline & & Total list price & [tex]$\$[/tex] 78.85[tex]$ \\ \hline & & 20\% trade discount & $[/tex]\[tex]$ 15.77$[/tex] \\
\hline & & Net price & [tex]$\$[/tex] 63.08$ \\
\hline
\end{tabular}