5. In this question, we are coloring these 16 circles and we have 5 colors available (red, green, blue, yellow, orange). How many colorings are there: 8888 88 88 a. in total b. in which there is no yellow circle c. in which there is at least 1 yellow circle d. in which there are at least 3 green circles e. in which there are exactly 3 red circles f. in which there is no repetition of color within any one square g. in which each square looks different from the others h. in which the four squares look identical i. in which there are exactly 6 circles with primary colors (red, blue, yellow) in which there are only primary colors j.