Problem 1: points=10: one item is omitted in each of the following

Problem 1: Points=10: One item is omitted in each of the following summaries of balance sheet and income statement data for three different sole proprietorships, X, Y, and Z. Determine the amounts of the missing items, identifying each proprietorship by letter.
.ol1.njr
Proprietorship
X
Y
Z
Beginning of the Year: .ol1.njr
.ol1.njr
Assets
$380,000
$150,000
$199,000
Liabilities
250,000
105,000
168,000
End of the Year:
Assets
450,000
185,000
195,000
Liabilities
280,000
95,000
169,000
During the Year:
Additional Investment by Owner
a.
79,000
80,000
Less: Withdrawals by Owner
90,000
83,000
c.
Revenue
195,000
b.
187,000
Less: Expenses
170,000
113,000
175,000