When amending a contract, user? have reported that the net pricing of some products Is Incorrect. The admin has done a preliminary Investigation and found that the Issue only happens on existing products when the quantity Isadjusted.
What Is the likely cause?

Universal Containers sells their subscription products only in whole months. The Users at UniversalContainers are sometimes entering values into Start Date and End Date and leaving Subscription Term blank. They are finding that subscription pricing is not working as they would expect because the dates they are choosing do not equate to exact months. This leads to pricing that may be a few cents or even a few dollars off. The Admin would like to find a solution that does not require forcing the users to use Subscription Term. What should be done so that the pricing is rounded to the expected value?

Which is not a pro-rate precision option (in the Package Settings)?

While making changes in the Quote Line Editor, sales reps have mentioned that clicking the Calculate button after each set ofchanges is too slow. Management has asked the Admin to Streamline the Quote Line Editor so calculations occur automatically after each change is made.
Which Managed Package setting should the Admin enable to meet this requirement?

Universal Containers wants to show a custom text field with the API name Addition_Text_c on the QuoteDocument. This field already exists and is located on the Quote object.
What is the correct syntax to insert this into an HTML Template Content?