Universal Containers requires an output document that has Quote Terms localized to three languages, selectable by the user. Which two tasks should the Admin complete to set up localization of the quote PDF?

Universal Containers sells their subscription products only in whole months. The Users at Universal Containers 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?

A bundle has a Product Option with the Quantity Editable field set to FALSE However, the user can still change the quantity during configuration and save the new value to the Quote Line Editor.
Which property of the Product Option allows for this scenario?

The Admin at Universal containers has created a formula filed to calculate margin on the Quote Line object. This field should be hidden from all Users that are not Admins or management. How can the Admin accomplish this?

Bundle G contains various add-only options for the purpose of cross sales, Universal Containers (UC) wants to ensure that sales reps have the flexibility to increase the quality of add-on option without reconfiguring the bundle.
Which two configuration should UC See to allow for the fallibility?