Remaining on Slide 4, Insert and format a text box as follows to provide additional information:

a. Near the middle of the slide, insert a text box containing the following text: Plus many more historic homes in Santa Rita

b. Change the font size of the text to 48 point

To insert a text box and format it with the desired text and font size, follow these steps:

1. Go to Slide 4 in your presentation.
2. Click on the "Insert" tab in the PowerPoint ribbon.
3. In the "Text" section, click on the "Text Box" button. A cursor will change into a crosshair.
4. Click and drag on the slide to create a text box in the desired location near the middle.
5. Once the text box is created, you can start typing the text: "Plus many more historic homes in Santa Rita".
6. With the text box still selected, go to the "Home" tab in the PowerPoint ribbon.
7. In the "Font" section, locate the "Font Size" dropdown menu and click on it.
8. Select the option "48" from the list to change the font size to 48 points.

You have now inserted and formatted a text box with the desired text and font size on Slide 4.