Given a text T, and several options, according to the question posed in the text T to choose the most appropriate option from the options as the answer, please directly output the most appropriate option, do not need to output the explanation.

Nigel French, an analyst at Taurus Investment Management, is analyzing Archway Technologies, a manufacturer of luxury electronic auto equipment, at the request of his supervisor, Lukas Wright. French is asked to evaluate Archway’s profitability over the past five years relative to its two main competitors, which are located in different countries with significantly different tax structures.French begins by assessing Archway’s competitive position within the luxury electronic auto equipment industry using Porter’s five forces framework. A summary of French’s industry analysis is presented in Exhibit 1.
| Exhibit-l…Analysis of-Luxury Electronic-Auto Equipment-Industry Using Porter's |
| Force | Factors to Consider |
| Threat of substitutes | Customer switching costs are high |
| Rivalry | Archway holds 60%of world market-share； each of its two main |
| competitors holds 15% |
| Bargaining power of | Primary inputs are considered basic commodities， and there area |
| suppliers | large number of suppliers |
| Bargaining power of Luxury electronic-auto-equipment-is-very-specialized-(non- |
| buyers | standardized) |
| Threat of new entrants | High-fixed costs to enter industry |


French notes that for the year just ended (2019), Archway’s cost of goods sold was 30% of sales. To forecast Archway’s income statement for 2020, French assumes that all companies in the industry will experience an inflation rate of 8% on the cost of goods sold. Exhibit 2 shows French’s forecasts relating to Archway’s price and volume changes.
| Exhibit 2.Archway's 2020-Forecasted-Price and Volume Changes |
| Average price increase per unit5.00%Volume growth-3.00% |


After putting together income statement projections for Archway, French forecasts Archway’s balance sheet items; He uses Archway’s historical efficiency ratios to forecast the company’s working capital accounts.Based on his financial forecast for Archway, French estimates a terminal value using a valuation multiple based on the company’s average price-to-earnings multiple (P/E) over the past five years. Wright discusses with French how the terminal value estimate is sensitive to key assumptions about the company’s future prospects. Wright asks French:“What change in the calculation of the terminal value would you make if a technological development that would adversely affect Archway was forecast to occur sometime beyond your financial forecast horizon?”
Which return metric should French use to assess Archway’s five-year historic performance relative to its competitors?
Option A:Return on equity
Option B:Return on invested capital
Option C:Return on capital employed

Answer: C