CFAI Mock Exam Question #8 - Help

Anyone know the answer to question Number 8. Is it C or D. The solution doesn’t explain it cleary enough about if investements in technology are or are not subject to the law of dimishing returns.

Anyone know the answer to question Number 9. Is it C or D. The solution doesn’t explain it cleary enough about if investements in technology are or are not subject to the law of dimishing returns.

“additional output that results from additional capital gets smaller…on average, with no change in technologhy” N’Diarra says that without improvement in technology, the rubbre factory investment with raise per capital GDP at a lower rate… I said D

Hi CFAHoustion, i saw that you say the answer to question 8 on the cfai mock# 2 is A. I thought is D. I just want to know your insight to that answer. Thanks

Sorry again, should be D.