Jenny is building a rectangular garden around a tree in her yard. The southwest corner of the garden will be 2 feet south and 3 feet west of the tree. The northwest corner of the garden is 1 foot north and 4 feet east of the tree. What will be the perimeter of Jenny's garden ?
A10 ft
B20 ft
C21 ft
D25 ft
A10 ft
B20 ft
C21 ft
D25 ft