Rhode Island technology has a weighted average cost of $8\mathrm{.}44\%$ and is evaluating two projects a and B project a involves initial investment of $$36,000$ and expected cash flow of $$64,000$ in $4$ years project is considered to be more risky than an average risk project at Rhode Island technology, such that the appropriate discount rate For it is $5\mathrm{.}9\%$ points different than the discount rate used for an average risk project at Rhode Island technology the internal rate of return for project A is $10\mathrm{.}64\%$ project B involved in initial investment $$70,100$ and expected cash flow of $$119400$ in five years project is considered less risky than average risk project Rhode Island technology such that the appropriate discount rate for it is one percent points different than the discount rate used for an average project at Rhode Island technology the internal rate of return for project B is $9\mathrm{.}79\%.$ What is X if C equals the NPV a project A plus the NPV a project B