Answer:
the formula is VAT %op cp ×13500 do that using this formul6 is should correct
1.


3500(1.64) = 5740
2.


25300(3.07) = 77671
Hope that helps. Feel free to ask any questions
3,6,9,12,15,18,21,24,27,30
3,6,9,12,15,18,21,24,27,30
3,6,9,12,15,18,21,24,27,30
C is the answer I believe
Hoped it helped