这道题怎么理解

NO.PZ2023040301000153 问题如下 analyst hpreparea table of the average trailing twelve-month price-to-earning (P/E), price-to-cash flow (P/CF), anprice-to-sales (P/S) for the Tanaka Corporation for the years 2005 to 2008.of the te of the valuation in 2009, the trailing twelve-month P/E, P/CF, anP/S are, respectively, 9.2, 8.0, an2.5. Baseon the information provi the analyst mreasonably conclu thTanaka shares are most likely: overvalue B.unrvalue fairly value Tanaka shares are most likely overvalue the table below shows: all the 2009 multiples are currently above their 2005-2008 averages. 正常发展的公司算上每年的inflationPrice都是会稳步上升的，算平均值不是拉低了吗？

NO.PZ2023040301000153 问题如下 analyst hpreparea table of the average trailing twelve-month price-to-earning (P/E), price-to-cash flow (P/CF), anprice-to-sales (P/S) for the Tanaka Corporation for the years 2005 to 2008.of the te of the valuation in 2009, the trailing twelve-month P/E, P/CF, anP/S are, respectively, 9.2, 8.0, an2.5. Baseon the information provi the analyst mreasonably conclu thTanaka shares are most likely: overvalue B.unrvalue fairly value Tanaka shares are most likely overvalue the table below shows: all the 2009 multiples are currently above their 2005-2008 averages. 估值得到的数高于市场实际值（我理解此题通过历史平均得到），难道不是被低估么？