Answer this impact analysis related question for software enginerring class.

The class interaction graph below contains only inspected classed by a programmer. The Impacted, Propagating and Unchanged classes are denoted by I, P and U, respectively. Fill in the marks of the classes that currently left blanks so the process of impact analysis produces the classes currently labeled by P and U. Supposing no mistakes occur in analysis, and totally 3 classes are changed Concept location found here The class interaction graph below contains only inspected classed by a programmer. The Impacted, Propagating and Unchanged classes are denoted by I, P and U, respectively. Fill in the marks of the classes that currently left blanks so the process of impact analysis produces the classes currently labeled by P and U. Supposing no mistakes occur in analysis, and totally 3 classes are changed Concept location found here