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This chapter introduces you to the Price fields available with List Pad items.
In the previous chapter you learned about the generic fields available under the General tab in the Item Editor, how they can be used and customized and what they can be used for.
In this chapter you will learn about the item Price fields that are available with each item in List Pad. The Price fields are used in lists of items which have a cost or price associated with them. Sales, shopping, and order lists are examples of such lists. By using the Price fields you can keep track of each item's price or cost, total the value of an entire list, and even let List Pad auto calculate the total price/cost of items based on information you enter.
In this chapter you will go over the following:
Each List Pad item has 7 price-related fields that you can use to store price or cost related information. They are described below.
Unit Price
This is the cost of a single unit of the item being represented. For instance, in this Christmas list the unit price for Jenny's gift (used CD) is $3.
Quantity
This is the number of items being purchased. In this sample list Jenny's relative is buying her 2 used CD's.
Subtotal
This field would typically be the total cost of all the items being purchased/sold before tax and associated charges (i.e. shipping and handling) are added in. For instance, here the subtotal is the number of used CD's being purchased (2) times the cost of each used CD ($3). Or, $6.
This field supports auto calculation. When auto calculation is on for this field the value is determined by the following formula: Unit Price x Quantity = Subtotal.
Tax Rate
This is the tax rate on the item being purchased, typically state and/or local sales tax. In this case it is 7.75%, the tax rate for California.
Tax
This is the amount of tax being paid for the item. In this sample item it is the tax rate multiplied by the subtotal.
This field supports auto calculation. When auto calculation is on for this field the value is determined by the following formula: Tax Rate x Subtotal = Tax.
Other
This is a spare field for recording other costs associated with the purchase/sale. This would be a good place to note shipping & handling costs, for instance.
Total
This is the total cost of the purchase/sale of the item, taking all factors into account.
This field supports auto calculation. When auto calculation is on for this field the value is determined by the following formula: Subtotal + Tax + Other = Total.
It is important to note that you may use all, some, or none of these fields, depending on the list. A Christmas shopping list, like the sample list you're looking at, may record all of the price information and use the auto calculation features. In a list of valuables or collectibles, however, you might only use the Total field to record the replacement value of the item listed, and the auto calculation may be off. In a to do list, you may never use the Price fields.
List Pad automatically formats the fields using the currency settings in the Mac OS Numbers control panel. Note that if you change your settings in the Numbers control panel while List Pad is running, you must restart List Pad for the changes to take effect. Also note that you should enter numbers in the format described in your Numbers control panel. For instance, if you enter "25.55" with the Italian number format selected, List Pad will interpret your entry as two thousand, five hundred, not twenty five point fifty five. This is because the Italian number format uses a "," for the decimal point.
Open the file Christmas Shopping List in the Sample Files folder. Once the file is open, open the Mark item in the list. Once it is open, switch to the Price fields by clicking on the Price tab.
You'll notice that the Subtotal, Tax, and Total fields are 0. That's because auto total isn't on for these fields, and in this list the creator leaves calculation of those fields to the application.
You are going to turn them on, which is very simple to do. To turn on auto total for any of the three price fields which support it do one of the following:
Go ahead and turn on auto totaling for each of the three fields. Use both methods so that you are aware of both.
List Pad should have computed and filled in the appropriate prices in each field. It's that simple! You turn auto total off in the same manner.
Click the Save button and close the item.
You should now be looking at the List Browser for the Christmas Shopping List file. You want to know how much the gifts you're buying will set you back.
To total the cost of the items in the list:
Choose the items to total in the List Total submenu of the List menu.
Choose the field to total in the List Total submenu of the List menu or via the Total popup menu in the List Browser.
Go ahead and total All of the items, using the Total field of course. The total is displayed in the text field right next to the Total popup menu and label.
Now try totaling just the Marked items. Switch back to All and total just the Tax field, to see how much you're giving the government for Christmas.
Congratulations! You are now familiar with both the General and the Price fields of List Pad items. You know how to set up the various General fields, how to use the Price fields, and how to total a list several different ways. You may want to take a break before going on to the next chapter on item Time & Alarm.