PART C C$++$

This program allows the user to calculate the amount of money he or she will be given when travelling between countries.

You can download some current exchange rates from:

mdalton$/$Public$/$exchange$.$txt

The file has the following format.

Currencyabreviation CurrencyName AmountForEachUSDollar

USD USDOllar $1\mathrm{.}0$

EUR Euro $1\mathrm{.}1$

GBP BritishPound $1\mathrm{.}3$

CAD CanadianDollar $0\mathrm{.}74$dots

In addition, every exchange will cost $1\mathrm{.}5\%$ of the money to be exchanged.

Your program will have two menus:

Enter the abbreviation for your current currency.

USD

EUR

GBP

CAD

AUD

JPY

INR

CHF

ZAR

HKD

SEK

MXN

DKK

Which do you choose?

And

Enter the abbreviation for your new currency.

USD

EUR

GBP

All inputs must be validated.

Write a function called loadArrays$()$ that takes three arrays as parameters. This function opens an input file to get the current exchange rates.

Write a function called exchange$()$ that takes two arrays and an amount of money. This function returns the amount after the $1\mathrm{.}5\%$ exchange charge and then applies the exchange rate.

Suggestion: Subtract the $1\mathrm{.}5\%$ exchange charge, then convert to USD, then convert to the desired currency.

Sample Run:

Enter the abbreviation for your current currency.

USD

EUR

GBP

CAD

AUD

JPY

INR CHF

ZAR

HKD

SEK

MXN

DKK

Which do you choose? GBP

Enter the abbreviation for your new currency.

USD

EUR

GBP

CAD

JPY

INR

CHF

HKD

SEK

MXN

DKK

Which do you choose? CAD

Enter the amount to exchange: $500$

You get: $280\mathrm{.}35$ CanadianDollars