3 PART QUESTION & ANSWERPаrt 1: The PT Plаn оf Cаre (POC) calls fоr electrical stimulatiоn for the following scenario. Please indicate what the most appropriate parameter settings are by selecting and listing either the letter A or B from the answer choices for numbers 1 through 6.Dx: Pressure Ulcer to the calcaneus.Pressure ulcer demonstrates infection and 25% necrotic tissuePOC: HVPC to increase tissue healing of pressure ulcer.Waveform: A. Pulsed Biphasic B. MonophasicPulse Frequency: A. 35-50 pps B. 100-105 ppsOn/Off Time: A. 2-5 seconds on/off B. No Off timePulse Duration: A. usually preset for ~100 microseconds B. 40-300 microsecondsPolarity: A. Negative B. Positive Amplitude: A. To produce tingling B. To a visible contractionPart 2: Indicate the reasoning for the polarity selected.Part 3: What patient education would this patient benefit from in order to promote continued wound healing.