Dis-assemble each of the following MIPS R2000 object code into source code instructions. Use register names, such as $t2, instead of numbers, such as $20.
1. 0x00069980 #->______________________
2. 0x03C00011 #->______________________
3. 0x250C0014 #->______________________
4. 0x01936824 #->______________________