An architect draws a blueprint of the newly modeled kitchen. The scale used is 1 inch = 4 feet. If the length of the kitchen is 6 inches, and the width of the kitchen is 3 inches, what are the actual dimensions of the kitchen?

A. 4 feet by 6 feet
B. 6 feet by 3 feet
C. 20 feet by 18 feet
D. 24 feet by 12 feet