Answer:
the moeny supply expand is $9,900,000
Explanation:
The computation is shown below:
Excess reserves is
= Actual - required
= $40,000 - (0.4% × $100000)
= $40,000 - $400
= $39,600
Now Money supply expand is
= $39,600 ÷ 0.4%
=$9,900,000
hence, the moeny supply expand is $9,900,000