The number of years that should be taken for making an additional deposit is 2.41 years.
Given that,
The following formula should be used:
Future value = Present value × (1 + rate of interest)^number of years
$4,500 = $4,000 × (1 + 0.05)^number of years
So, the number of years should be 2.41.
Therefore we can conclude that The number of years that should be taken for making an additional deposit is 2.41 years.
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