?

Which one of the following is not a way to improve the P/Q rating of a company's brand of UAV drones? Copyright @ by Glo-Bus Software, Inc. Copying, distributing, or 3rd party website posting isexpressly prohibited and constitutes copyright violation. Improving the caliber and functionality of the camera stabilization device (so that video quality is not so adversely affected by strong wind conditions) Decreasing the number of models in the company's line-up and improving the quality of the obstacle sensors Increasing expenditures for free online pilot training programs made available to all buyers of the company's drones Improving battery life to permit more minutes of flying time on a single charge O Improving the caliber of the built-in GPS/Wi-Fi/Bluetooth components