The amount of the average investment for a proposed investment of $197,000 in a fixed asset with a useful life of 4 years, straight-line depreciation, no residual value, and an expected total income of $30,300 for the 4 years is a. $7,575 b. $49,250 c. $98,500 d. $30,300 From the provided schedule of activity costs, determine the external failure costs. a. $12,000 b. $39,000 C. $19,000 d. $31,000