Which formula would accomplish this requirement?

At Universal Containers, the VP of Service has requested a visual indicator flag on each case, based on the case priority. High-priority cases should be flagged red, medium-priority should be flagged yellow, and low-priority cases should be flagged green .

Which formula would accomplish this requirement? Choose 2 answers
A . CASE( Priority, “Low”, “img/samples/flag_green.gif”, “Medium”, “img/samples/flag_yellow.gif”, “High”, “img/samples/flag_red.gif”, “/s.gif”)
B . IMAGE( IF(ISPICKVAL(Priority, “Low”), “img/samples/flag_green.gif”, IF(ISPICKVAL(Priority, “Medium”), “img/samples/flag_yellow.gif”, IF(ISPICKVAL(Priority, “High”), “img/samples/flag_red.gif”))), “Priority Flag”)
C . IF(ISPICKVAL(Priority, “Low”), “img/samples/flag_green.gif”, IF(ISPICKVAL(Priority, “Medium”), “img/samples/flag_yellow.gif”, IF(ISPICKVAL(Priority, “High”), “img/samples/flag_red.gif”, “/s.gif”)))
D . IMAGE(CASE( Priority, “Low”, “img/samples/flag_green.gif”, “Medium”, “img/samples/flag_yellow.gif”, “High”, “img/samples/flag_red.gif”, “Priority Flag”)

Answer: B,D