plz fast

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A large corporation is expecting annual maintenance cost to amount to 7,000 KD per year for the coming 4 years. How much should the large corporation invest today at a rate of 6.4% in order to cover these annual costs? Note 1: Write the answer with two decimal points and without currency. Note 2: Type in the steps in the reasons box. Answer: Give your reasons How much should you invest today at an interest rate of 3.3% in order to be able to withdraw 21,235 KD in 12 years? Note 1: Write your answer with two decimal points and without currency. Note 2: Type in the steps in the reasons box. Answer: Give your reasons