$2\mathrm{.}8$ Accounting for an Investment Your company purchased $100$ shares of IBM stock in November for $$129.$ As of year$-$end $(\frac{12}{31}),$ the stock price has increased to $$135.$ Your supervisor is arguing that no adjustment is required to the recorded value of the investment and that it is appropriate to record the investment at cost$.$ Respond to this position, citing why you agree or disagree.