Find the Nyquist rate and Nyquist interval for the signal f(t) = -10 sin ⁡40πt cos ⁡300πt.

• A. 40 Hz, 40 sec
• B. 340 Hz, 340 sec
• C. 300 Hz, 300 sec
• D. 340 Hz, \(\frac{1}{340}\) sec