Respuesta :

hahaecho

Answer: $5400

im assuming you want the total cost?

4000+1400=5400

irspow

Answer:

Step-by-step explanation:

Simple interest is

I=Prt where P= principle, r=rate, t=time

r=I/(Pt)

r=1400/(4000(7))

r=0.05

r=5%

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