could you help me with this attached question

could you help me with this attached question

ATTACHMENT PREVIEW

P3-40
a
Fixed Costs
b
Variable Costs
c
Mixed Costs
d
Step Costs
e
f
g
h
i
Receiving
Receiving
Put Graph Here
P3-43a
Months Orders
Costs
1
1,000
\$18,000.00
2
700
\$15,000.00
3
1,500
\$28,000.00
4
1,200
\$17,000.00
5
1,300
\$25,000.00
6
1,100
\$21,000.00
7
1,600
\$29,000.00
8
1,400
\$24,000.00
9
1,700
\$27,000.00
10
900
\$16,000.00
P3-43-2
Receiving
Receiving
High Low
Months Orders
Costs
1
1,000
\$18,000.00
y2
y1
y2-y1
2
700
\$15,000.00
Costs
∆ in y/∆ in x
3
1,500
\$28,000.00
Slope
4
1,200
\$17,000.00
Orders
5
1,300
\$25,000.00
x2
x1
x2-x1
6
1,100
\$21,000.00
7
1,600
\$29,000.00
Total Cost
=
a +
b *x
8
1,400
\$24,000.00
=
a +
9
1,700
\$27,000.00
=
a +
10
900
\$16,000.00
=
a
P3-43-3
Formula from above
y = a + bx
y
=
a
+
b
*
x
Costs
Fixed
120
150
Variable
P3-45-1
Hours
Hours
Mixed
Costs
Senior Accountant
\$2,500
\$2,500
Of ice Assistant
\$1,200
\$1,200
Internet & Software Subscriptions
\$700
\$850
Fixed Costs
∆ in y/∆ in x =0
Consulting by Senior Partner
\$1,200
\$1,500
Variable Costs
a =0
Depreciation
\$2,400
\$2,400
Mixed Costs
a >01
Supplies
\$905
\$1,100
\$500
\$500
Rent
\$2,000
\$2,000
Utilities
\$332
\$365
P3-45-2
High Low
Senior Accountant
y2
y1
y2-y1
Costs
∆ in y/∆ in x
Slope
Hours
x2
x2-x1
Total Cost
=
a +
b *
x
=
a +
=
a +
=
a
High Low
Of ice Assistant
y2
y1
y2-y1
Costs
∆ in y/∆ in x
Slope
Hours
x2
x2-x1
Total Cost
=
a +
b *
x
=
a +
=
a +
=
a
High Low
Internet & Software Subscriptions
y2
y1
y2-y1
Costs
∆ in y/∆ in x
Slope
Hours
x2
x2-x1
Total Cost
=
a +
b *
x
=
a +
=
a +
=
a
High Low
Consulting by Senior Partner
y2
y1
y2-y1
Costs
∆ in y/∆ in x
Slope
Hours
x2
x2-x1
Total Cost
=
a +
b *
x
=
a +
=
a +
=
a
High Low
Depreciation
y2
y1
y2-y1
Costs
∆ in y/∆ in x
Slope
Hours
x2
x2-x1
Total Cost
=
a +
b *
x
=
a +
=
a +
High Low
Supplies
y2
y1
y2-y1
Costs
∆ in y/∆ in x
Slope
Hours
x2
x2-x1
Total Cost
=
a +
b *
x
=
a +
=
a +
High Low
y2
y1
y2-y1
Costs
∆ in y/∆ in x
Slope
Hours
x2
x2-x1
Total Cost
=
a +
b *
x
=
a +
=
a +
High Low
Rent
y2
y1
y2-y1
Costs
∆ in y/∆ in x
Slope
Hours
x2
x2-x1
Total Cost
=
a +
b *
x
=
a +
=
a +
High Low
Utilities
y2
y1
y2-y1
Costs
∆ in y/∆ in x
Slope
Hours
x2
x2-x1
Total Cost
=
a +
b *
x
=
a +
=
a +
P3-45-3
Formula from above
y = a + bx
140
Hours
y
=
a
+
b
*
x
P3-45-4
Formulas from P3-45-2
170
170
y
=
a
+
b
*
x
Hours
Costs
Senior Accountant
170
Of ice Assistant
170
Internet & Software Subscriptions
170
Consulting by Senior Partner
170
Depreciation
170
Supplies
170