$1.$ For each of the following problem statement, identify the input, output and processing steps.

You are required to produce the following diagrams.

a$.$ PAC

b$.$ IPO Chart

c$.$ Algorithm

d$.$ Flowchart

i$.$ Program to read three numbers and find their product.

ii$.$ Program that displays the area of a rectangle by accepting

length and width from the user.

iii. Program that will read the radius of a circle and calculate and

display its circumferences.

iv$.$ Program that will accept the radius of a circle and

calculate and display its area.

v$.$ Program to accept the price of an item and calculate its VAT at $15\%.$

vi$.$ Program to accept the price of an item and calculate its GST at $6\%.$

vii. Program to accept money in US dollars and convert it to its equivalent

local currency.

viii. Program to accept the length, height and width of a cuboid. Then, calculate its

volume.

ix$.$ Program that will prompt user to input his$/$her age in years and months.

Then, calculate and display the age in months.

x$.$ Program to find the total and average marks of test$1,$ test$2$ and test$3$