Answer:
a. lower prices reduce money holdings, increase lending, interest rates fall, and investment spending increases.
Explanation:
as per the interest rate effect, the aggregate demand would slope downward or negative when there is less price that decrease the holding of the money also it would rise the lending, the rate of interst would be decline and the investment spending would be rise up
So according to the given situation, the option a is correct
And, the same would be considered