Answer:
c. $10,340
Step-by-step explanation:
For year 2018, the deduction for medical expense is amount of qualified medical expense that exceeds 7.5% of AGI.
Expenditure Richard can deduct as medical expense = $5300 + $7900 + $5100 + $830 + $960 - 7.5% * $130000
= $10,340
As such option c is correct and other options a, b, d and e are incorrect.