Answer:
£3446.05
Step-by-step explanation:
the interest for the first year
=£3200×2.5%
=£3200×2.5/100
=£80
the balance
=£3200+£80
=£3280
the interest for the second year
=£3280×2.5%
=£3280×2.5/100
=£82
the balance
=£3280+£82
=£3362
the interest for the third year
=£3362×2.5%
=£3362×2.5/100
=£84.05
the balance
=£3362+£84.05
=£3446.05
