Joseph Czerniakow is the owner of a fish market. Use the following information to do a horizontal analysis of Josephs income statement for the current year and prior year:

Account	Current year	Prior year
Cost of goods sold	$120,000.00	$105,000.00
Salaries	$84,000.00	$84,000.00
Rent and utilities	$36,000.00	$24,000.00
Wages part-time employees	$20,000.00	$12,000.00
Sales revenues	$300,000.00	$200,000.00

Account	Current year
Current assets	$ 30,000
Property and equipment	$ 20,000
Total assets	$ 50,000
Total liabilities	$ 10,000
Total stockholders' equity	$ 40,000
Total liabilities and equity	$ 50,000

MARR = 10 %

a) What is the residual income for the current year?

b) What is Josephs gross profit for the prior year?

c) What is Josephs operating income for the current year?

d)What is Josephs gross profit for the current year?