# Form 1120-W - Estimated Tax For Corporations - 2016 Page 2

2
Form 1120-W (WORKSHEET) 2016
Page
Schedule A
Adjusted Seasonal Installment Method and Annualized Income Installment Method
(see instructions)
Part I
(a)
(b)
(c)
(d)
(Use this method only if the base period percentage for any 6
consecutive months is at least 70%.)
First 3 months
First 5 months
First 8 months
First 11 months
1
Enter taxable income for the following periods:
a Tax year beginning in 2013.
1a
b Tax year beginning in 2014.
1b
c Tax year beginning in 2015.
1c
2
Enter taxable income for each period for the tax year beginning in
2016 (see instructions for the treatment of extraordinary items).
2
First 4 months
First 6 months
First 9 months
Entire year
3
Enter taxable income for the following periods:
a Tax year beginning in 2013.
3a
b Tax year beginning in 2014.
3b
c Tax year beginning in 2015.
3c
4
Divide the amount in each column on line 1a by the amount in
column (d) on line 3a.
4
5
Divide the amount in each column on line 1b by the amount in
column (d) on line 3b.
5
6
Divide the amount in each column on line 1c by the amount in
column (d) on line 3c.
6
7
7
8
Divide line 7 by 3.0.
8
9a Divide line 2 by line 8.
9a
b Extraordinary items (see instructions).
9b
c Add lines 9a and 9b.
9c
10
Figure the tax on the amount on line 9c by following the same
steps used to figure the tax on page 1, line 14.
10
11a Divide the amount in columns (a) through (c) on line 3a by the
amount in column (d) on line 3a.
11a
b Divide the amount in columns (a) through (c) on line 3b by the
amount in column (d) on line 3b.
11b
c Divide the amount in columns (a) through (c) on line 3c by the
amount in column (d) on line 3c.
11c
12
12
13
Divide line 12 by 3.0.
13
14
Multiply the amount in columns (a) through (c) of line 10 by
the amount in the corresponding column of line 13. In column
(d), enter the amount from line 10, column (d).
14
15
Enter any alternative minimum tax for each payment period
(see instructions).
15
16
Enter any other taxes for each payment period (see instructions).
16
17
17
18
For each period, enter the same type of credits as allowed on
page 1, lines 17 and 21 (see instructions).
18
19
Subtract line 18 from line 17. If zero or less, enter -0-.
19
1120-W
Form
(2016)