No, JN is not paralle to KM
Answer: 45.725 ( i think)
Step-by-step explanation: 2.325 + 27.9 + 15.50
It's not 'A'.
All the angles on the same side of a straight line
have to add up to 180°.
With that hint, you can do it now.
Answer:
Markup amount = sellingprice - costprice
=12.50 - 5 = 7.5 is markup