List the Degree of Each Term and the Degree of the Polynomial

Multiple Choice

List the degree of each term and the degree of the polynomial.
- $$x ^ { 15 } y ^ { 7 } z ^ { 12 } + 5 x ^ { 8 } y ^ { 17 } z ^ { 18 } - 10 x ^ { 9 } y ^ { 9 } z ^ { 4 }$$

A) 12,18 , 22; polynomial: 18
B) 34, 43, 22; polynomial: 43
C) $1260,2448,22$ ; polynomial: 2448
D) 264,43 , 22; polynomial: 264