Based on the contents of the registers and memory locations below, provide the results for the following Register Transfer Language (RTL) expressions. All the numbers provided are given in decimal including the address locations. Note the values DO NOT reset for each problem. When the value for memory or a register is changed it effects the rest of the problem.

Registers

Register	Contents
MAR	1004
MBR	unknown
PC	1004
IR	unknown
R0	2121

Memory

Memory	Contents
1004	67
1005	1010
1006	-3
1007	0
1008	1005
1009	-234
1010	75

[ PC ] <-- [ PC ] + 4 PC now contains : ___________?

[ IR ] <-- [[ MAR ]] IR now contains : ________?

[ R0 ] <-- [ [ 1005 ] + [ 1006 ] ] R0 now contains _______?

[ MAR ] <-- [ PC ] MAR now contains ________?

[ MBR ] <-- [ [ MAR ] ] MBR now contains ______?