Luisa is a CPA, she operates a tax return preparation service business as a sole proprietorship. During 2021, she received cash of $125,000 for tax return preparation services. Of the amount received in 2021, $15,000 relates to payment of late invoices for tax services provided during 2020. Luisa also has accounts receivable of $22,000 for services provided in 2021. Compute Luisa's Gross Income under 

(a) the cash method of accounting 

(b) the accrual method of accounting. SHOW YOUR WORK!