Directions (1 - 5): Sarp Infotech Solutions Software Company before selling a package to its clients, follows the given schedule.
Table Chart direction image

1.
Due to overrun in design, the stage took 3 months, i.e., months 3, 4 and 5. the number of people working on design in the fifth month was 5. Calculate the percentage change in cost incurred in the fifth month. (Due to improvement in Coding technique, this stage was completed in month 6-8 only.)

2.
With reference to the previous question, what is the cost incurred in the new Coding stage ? (Under new technique 4 people work in the sixth month and 5 in the eighth).

3.
What is the difference in cost between the old and new techniques ?

4.
Under the new technique, which stage of software development is most expensive.

5.
Which five consecutive months have the lowest average cost per month under new technique ?