An instruction is stored at location 501 with its address field at location 502. The address field has the value 600. A processor register R1 contains the number 200. Mode 501 502 503 Load to AC 600 600 705 R1 200 Evaluate the effective address if the addressing mode of the instruction is: (a) Direct: (b) Indirect: (c) Relative: (d) Register indirect: (e) Index with R1 as the index register