Please solve and show all work and steps. This question refers to the following sequence of instructions:                                                       or r1,r2,r3 or r2,r1,r4 or r1,r1,r2 Also, assume the following cycle times for each of the options related to forwarding: Without Forwarding With Full Forwarding 350ps 400ps Assume there is no forwarding in this pipelined processor. Indicate hazards and add nop instructions to eliminate them. What is the total execution time of this instruction sequence without forwarding and with full forwarding?

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