$[10$ points$]$ Write a $C$ program that stores the following numbers in the array named rates: $6\mathrm{.}25,6\mathrm{.}50,6\mathrm{.}8,7\mathrm{.}2,7\mathrm{.}35,7\mathrm{.}5,5\mathrm{.}65,8\mathrm{.}2,8\mathrm{.}4,8\mathrm{.}6,8\mathrm{.}8,9\mathrm{.}0.$ Display the values in the array by changing the address in a pointer called disp$\_$pt$.$ Use a for loop statement in your program.

$[5$ points$]$ The following declaration was used to create the prices array:

double prices $500$;

Write the function header line for a function named sort$\_$array $()$ that accepts the prices array as an argument named in array and returns an integer.