1a.) Did this error occur (a) while the program was being assembled or (b) when it was being run?

1b.)What does the value in register 3 represent at the time of the ABEND?

1c.)What does the value stored at location counter value 00002C represent?

1d.)What instruction needs to be added to fix this ABEND?

1e.) Using the instruction trace, describe the sequence of operations performed by the CPU after the XDUMP, leading up to the ABEND.

** TRACE OF LAST 10 BRANCH INSTRUCTIONS EXECUTED: PSW BITS SHOWN ARE THOSE BEFORE CORRESPONDING INSTRUCTION DECODED *** IM LOCATION INSTRUCTION ; IN = PSW BITS 32-39(ILC, CC, MASK) BEFORE INSTRUCTION EXECUTED AT PROGRAM LOCATION SHONN 2000002047=4020 REGS07REGS815F4F4F4F400000020F4F4F4F4F4F4F4F4F4F4F4F4F4F4F4F447F0F02CF4F4F4F4F4F4F4F4F4F4F4F4DO00000240000003000000028FFFE3960F4F4F4F4 FLTR D6 F4F4F4F4F4F4F4F4 F F4F4F4F4F4F4F4F4 F4F4F4F4F4F4F4F4 USER STORAGE CORE ADDRESSES SPECTFTBD- 000000 TO 000178 D00040 P5P5F5F5 F5P5F5P5 P5F5P5F5 F5F5F5P5 P5F5P5F5 P5P5F5F5 F5F5F5P5 P5F5P5F5 *5555555555555555555555555555555 LINES 000060000140 SAMB AS ABOVB