Consider the following cash flow: A1=900,A2=1100,A3=1300,A4=1500 Question 5 Question a: What type of gradient series is this? Negative increasing Positive increasing Positive decreasing Negative decreasing Question b: What is the value of base amount? Question c: Compute the future value at t=4 based on an interest rate of 2%. Round to the nearest dollar. Question d: Define an equal payment series of three cash flows over the time period [2, 4]. What would be the value of A ? Round to the nearest dollar. Consider the following cash flow: A1=900,A2=1100,A3=1300,A4=1500 Question 5 Question a: What type of gradient series is this? Negative increasing Positive increasing Positive decreasing Negative decreasing Question b: What is the value of base amount? Question c: Compute the future value at t=4 based on an interest rate of 2%. Round to the nearest dollar. Question d: Define an equal payment series of three cash flows over the time period [2, 4]. What would be the value of A ? Round to the nearest dollar