The assignment content involves calculating the minimum total deposit required for Koby to purchase a property worth $285,000 without using a guarantor or additional insurance. The calculation shows that Koby needs a minimum total deposit of $57,000. Additionally, Koby is considering investing his savings in three different accounts with varying interest rates and compounding frequencies. He aims to accumulate enough for a 20% deposit. The assignment also involves determining the effective interest rate and identifying the best investment option for Koby.