To turn on QBO Time Tracking preferences a user must complete the following steps?

A) Select the Create(+) icon and under Account and Settings select Advanced.In the Time Tracking section check both the Add Service field to timesheets and Make Single-Time Activity Billable to Customer to display On.Lastly,select the first day of the work week.
B) Select the Gear icon and under Account and Settings select Advanced.In the Time Tracking section use the Edit Pencil and check both the Add Service field to timesheets and Make Single-Time Activity Billable to Customer to display On.Lastly,select the first day of the work week.
C) Select the Create(+) icon and under Account and Settings select Advanced.In the Time Tracking section check both the Add Service field to timesheets and Make Single-Time Activity Billable to Customer to display On.Lastly,QBO will assume the first day of the work week is Monday.Edit it if the week starts on a different day.
D) Select the Gear icon and under Manage Users select Company.In the Time Tracking section use the Edit Pencil and check both the Add Service field to timesheets and Make Single-Time Activity Billable to Customer to display On.Lastly,select the first day of the work week.

The weighted-average method:

A) calculates an average unit cost by dividing the total cost of goods sold by the total units sold.
B) calculates an average unit cost by dividing the total cost of goods available for sale by the total units of goods available for sale.
C) calculates an average unit cost by adding the total cost of goods available for sale to the total units of goods available for sale.
D) None of these answers is correct.