A housepainter has taken a job that requires the spackling and painting of a kitchen and dining room. This involves four tasks: spackle the kitchen; paint the kitchen; spackle the dining room; and paint the dining room. Spackling a room must precede painting. Suppose that the painter must also install fixtures in the kitchen after it is painted. Construct a tree diagram to show the number of ways in which the painter can schedule the five tasks.
I have made 6 possible trees. Please go through the answer.
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