A certain developer offers both paid and free versions of a certain mobile tablet application on four different tablet models. For each of Models A–D, the graph shows the percent of tablets that have the paid version and the percent of devices that have the free version.

From each drop-down menu, select the option that creates the most accurate statement based on the information provided.

Among Models A–D, the model with the least difference between the percent of tablets that have the paid version of the application and the percent of tablets that have the free version was Model  {【下拉选项标识】}.

Among Models A–D, the model with the greatest difference between the percent of tablets that have the paid version of the application and the percent of tablets that have the free version was Model  {【下拉选项标识】}.­