Final answer:
An appraisal for fire insurance purposes on a three-year-old home would give most emphasis to the cost to rebuild the home.
Step-by-step explanation:
When conducting an appraisal for fire insurance purposes on a three-year-old home, the most emphasis would be given to the cost to rebuild the home. This is because fire insurance is designed to cover the cost of rebuilding the home in case of fire damage or destruction. The focus is on determining the amount of insurance coverage needed to rebuild the home, which takes into account factors such as the size, materials, and labor costs required for reconstruction.