2. Identify the number of times interest calculated in a year if the interest is compounded every nix months, A) 2 B) 6 C) 4 D) 3 3. In the eash-flow diagram shown below: (A) Bqual deposits of $3000 per year (A) are made, starting now (B) The rate of interest is 10% per year account (C) The amount aceumulated after the seventh deposit is to be computed (D) All of the mentioned. 4. In in eash flow series: A) Uniform gradient signifien that an income or disbursement changes by the same amount in each interest period (B) Either an incrense or decrease in the amount of n ensh flow is called the gradient (C) The gradient in the eash flow may be positive or negative (D) Nll of the mentioned