The following function calculates the net present value of a series of cash flows. However, the function is not operating properly; the answer the function provides only gives the value of the first cash flow. Identify what needs to be changed in this code to fix this issue. Line 2 should be moved within the for loop. Line 7 needs to be shifted to the left one level. Having it indented like this causes the function to exit after going through the loop just once. Line 7 needs to be shifted to the right one level. Moving it to the right will put it In its own code block. What are key attributes of high frequency trading