Challenge: Abstract Pattern

Problem statement

In this challenge, you have the abstract constructor function Loans. There are three types of loans that can be given:

• HomeLoan

• StudentLoan

• PersonalLoan

You need to implement Loans such that it decides which loan instance to instantiate, given the input parameters. Implement a function getloan for this purpose. getloan should take the following parameters:

• type: type of loan

• amount: amount of the loan

• duration: duration of the loan

All the three loans mentioned above have the following properties:

• amount: the amount of loan required (in dollars)

• duration: the duration of time (in years) for which the loan is borrowed

• interest ...