Recall that constants, such as the acceleration due to gravity, are best represented using a symbolic constant declared with the \#define directive. For example: \#define GRAV_ACCEL 9.81 With this in mind, write a program that prompts the user for the price of an article (before taxes) and that prints the price of the article including provincial sales tax (PST) at 7% and goods and services tax (GST) at 5%. You may use code in previous questions as a model