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1. EA Store is offering a diamond ring for 36 months at 135 per month. The retail price of the ring is 3900. What is the interest rate on this offer? 2. Whats the value of a 15 year 1000 par value, 9% coupon rate bond if the yield to maturity (YTM) increase to 12%? 3. What the value of a 15 year 1000 par value, 9% coupon rate bond if the yield to maturity (YTM) decreases to 6%? 4. A company has a net working capital of 4800, total liabilites 15900 and long term debt 9500. What is the value of current assets?