Test case for context node the computed expression is the node currently being processed 2 3 4 5 6 7 7.4.d context node for the computed expression is the node currently being processed Rule 4: Create an instance with multiple Line elements each containing children Units, Price, Subtotal. Set the Units and Price of each Line to mutually distinct positive numbers. The nodeset, "Line/Subtotal", should be calculated with this formula, "../Units * ../Price". The values you should see for Subtotal are 6, 20, and 42. Subtotal