Answer:
100
Explanation:
Let C.P. of each article = $ 1
∴ Total C.P. = Rs 200
Total S.P. =
60 × 120
+
140 × 110
100 100
Total S.P. = 72 + 154 = Rs 226
Gain = Total S.P. - Total C.P. = 226 – 200 = Rs 26
When gain = Rs 26 , C.P. = Rs 1
When gain = Rs 2600, C.P. = Rs 100