Using turbo C++ and Switch Statement: Electric Bill: Write a program that will calculate and show bills of the Manila El

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Using turbo C++ and Switch Statement:
Electric Bill: Write a program that will calculate and show bills of the Manila Electric Company. The rates vary depending on whether the use is residential (R), commercial( C) , or industrial (I). Any other code should be treated as an error.
The program should accept the subscriber ID, Subscriber Name, his total electrical consumption in a month, and the code of the consumer type.
The rates are computed as follows:
R: 10 per kwh used
C: 20 for the first 1000 kwh and 0.45 for each additional kwh
I: 35 for the first 1000 kwh and 0.75 for each additional kwh