Set B's upper nibble to A's lower nibble, and B's lower nibble to 7. How can I do this in C? Also an explanation within the code.

Set B's upper nibble to A's lower nibble, and B's lower nibble to 7 0 0 0 #include "RIMS.h" Hm tin 100 int main() { while(1) { 200 /* Your solution goes here */ 8 300 } return 0; 10 } 4 00 5 00 600 7 00 = 0 B = 48