What will be the value in the accumulator register after the execution of "Load to Acc' instruction with memory access mode field set to Indirect Mode and the ADRS/NMBR field set to 100, if the memory contents are as given below and the register R1 has the value of 100? Mem Addr Value 100 400 200 800 300 300 400 900 500 500 600 400 700 400 800 500 900 600 100 200 300 400 500 600 700 800 900 O