Answer:
required bank balance=$148
Step-by-step explanation:
simple interest=[tex]( \right )P\times R\times T\left )\div 100[/tex]
where P=principle=$100
R=rate of interest=4%
T=time=12 year
simple interest=[tex]( \right )100\times 4\times 12\left )\div 100[/tex]
simple interest=[tex]\frac{4800}{100}[/tex]
simple interest=48
required bank balance=principle+simple interest
required bank balance=$100+$48=$148
required bank balance=$148
