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28. The author concludes that the local transit company must either reduce tares for the shuttle buses that transport people to then- subway stations or increase parking fees at the stations. The reasons offered to support this conclusion are that commuter use of the subway train is exceeding the transit companys expectations, while commuter use of the shuffle buses is below projected volume. This argument is unconvincing because the author oversimplifies the problem and its solutions in a number of ways. To begin with, by concluding that the transit company must either reduce shuttle fares or increase parking fees, the author assumes that these are the only available solutions to the problem of limited shuttle use. However, it is possible that other factors-such as inconvenient shuttle routing and/or scheduling, safety concerns, or an increase in carpools―contribute to the problem. If so, adjusting fares or parking fees would might not solve the problem. In addition, the author assumes that reducing shuttle fees and increasing parking fees are mutually exclusive alternatives. However, the author provides no reason for imposing an either/or choice. Adjusting both shuttle fares and parking fees might | 
