Answer: Total investment = ₹ 37,040
Company A: MV \( = 2 + 18 = ₹\,20 \); investment \( = 200 \times 20 = ₹\,4000 \)
Company B: \( 45 \times 500 = ₹\,22{,}500 \)
Company C: \( 1 \times 10540 = ₹\,10{,}540 \)
\[ \text{Total} = 4000 + 22500 + 10540 = ₹\,37{,}040 \]