Give the Numbers of Elements in the Region Marked I $$| U | = 800 , | A | = 100 , | B | = 300 , | A \cap B | = 60$$

Multiple Choice

Give the numbers of elements in the region marked I in the figure. $$| U | = 800 , | A | = 100 , | B | = 300 , | A \cap B | = 60$$

A) 800 elements
B) 460 elements
C) 240 elements
D) 340 elements
E) 0 elements