What is the purpose of a tuner in a radio? The tuner selects only the signal of a specific frequency and rejects the rest.

The tuner converts inaudible high-frequency signals into sound waves that can be heard.

The tuner detects a wide range of broadcast frequencies.

The tuner converts a direct current into a high-frequency alternating current.

The chart shows the costs and shipping times for materials that a company needs to build a new product. which describes the best trade-off if the company needs to start building their product within the next two years? they should order the domestic materials because it is always best to choose the fastest shipping time. they should order the imported materials because it is always best to choose the lowest cost for materials. since the shipping time is longer, they should order the domestic materials because the additional cost is worth it to get the materials in time. even though the shipping time is longer, they should order the imported materials because they are less expensive and should arrive in plenty of time to build the product.