Answer:
$80,000
Explanation:
Sienna owned $200,000 worth of real estate at her death
This real estate was titled with her sister in joint tenancy with the right of ownership
Sienna contributed $50,000 to the total cost of the property
Her sister contributed the remaining $75,000
The first step is to determine the portion contributed by Sienna
= $50,000/$50,000+$75,000
= $50,000/$125,000
= 0.4×100
= 40%
Therefore, the amount that should be included in Sienna's gross estate can be calculated as follows
= 40/100 × $200,000
= 0.4 × $200,000
= $80,000
Hence the amount that should be included in Sienna's gross estate is $80,000