Two manufacturing machines, Machine A and Machine B, produce identical items. The graph for Machine A shows that it produces 200 items in 5 minutes, starting from 0 items at 0 minutes. The graph for Machine B shows that it produces 280 items in 8 minutes, also starting from 0 items at 0 minutes.

If both machines operate continuously for 10 minutes, how many more items does Machine A produce than Machine B?