I need help computing A and B

Simpson is a single individual who is employed full-time by Duff Corporation.This year Simpson reports AGI of $50,000 and has incurred the following medical expenses:

Dentist charges	$	900
Physician's charges		1,800
Optical charges		500
Cost of eyeglasses		300
Hospital charges		2,100
Prescription drugs		250
Over-the-counter drugs		450
Medical insurance premiums (not through an exchange)		775

13. value:

0.90 points Required information

a.Calculate the amount of medical expenses that will be included with Simpson's itemized deductions after any applicable limitations. the answer is not $2,875

b.Suppose that Simpson was reimbursed for $250 of the physician's charges and $1,200 for the hospital costs.Calculate the amount of medical expenses that will be included with Simpson's itemized deductions after any applicable limitations. the answer is not $1,025