Answer the following question based on the information given below.
The table below shows the comparative costs, in US Dollars, of major surgeries in USA and a select few Asian countries.
The equivalent of one US Dollar in the local currencies is given below.
A consulting firm found that the quality of the health services were not the same in all the countries above. A poor quality of a surgery may have significant repercussions in future, resulting in more cost in correcting mistakes. The cost of poor quality of surgery is given in the table below.
The rupee value increases to Rs. 35 for a US Dollar, and all other things including quality, remain the same. What is the approximate difference in cost, in US Dollars, between Singapore and India for a Spinal Fusion, taking this change into account?