Kalen O'Brien earned $$730$ this week. The deductions from her pay were as follows:

FIT $$54\mathrm{.}00$

FICA$$OASDI $45\mathrm{.}26$

FICA$$HI $10\mathrm{.}59$

State income tax $36\mathrm{.}50$

State disability insurance $8\mathrm{.}61$

Health insurance premium $19\mathrm{.}50$

Credit union contribution $35\mathrm{.}00$

United Fund contribution $5\mathrm{.}00$

O'Brien's employer just received a garnishment order $($credit card debt of $$3,500)$ against her pay. Compute the following

Round your answers to the nearest cent.

a$.$ O'Brien's disposable earnings $\_\_\_\_\_\_\_\_.$

b$.$ The amount of her pay subject to the garnishment$\_\_\_\_\_\_\_\_\_.$