The applicable formula is;
A = P(1-r)^n
Where;
A = Final purchasing power
P = Current purchasing power
r = inflation
n = Number of years when P changes to A
Confirming the first claim:
A = 1/2P (to be confirmed)
P = $3
r = 7% = 0.07
n = 10.25 years
Using the formula;
A = 3(1-0.07)^10.25 = 3(0.475) ≈ 3(0.5) = $1.5
And therefore, A = 1/2P after 10.25 years.
Now, give;
P = $9
A = 1/4P = $9/4 = $2.25
r = 6.5% = 0.065
n = ? (nearest year).
Substituting;
2.25 = 9(1-0.065)^n
2.25/9 = (1-0.065)^n
0.25 = (1-0.065)^n
ln (0.25)= n ln(1-0.065)
-1.3863 = -0.0672n
n = (-1.3863)/(-0.0672) = 20.63 years
To nearest year;
n = 21 years
Therefore, it would take approximately 21 years fro purchasing power to reduce by 4. That is, from $9 to $2.25.
Complete Question:
Jon is a cash-basis taxpayer and has adjusted gross income of $40,000 in 2018. During the year he incurred and paid the following medical expenses.
Drugs and medicines prescribed by doctors $300
Health insurance premiums $750
Doctors' fees $2,250
Eyeglasses $75
How much medical expense can he deduct as itemized deduction?
Answer:
Jon
Medical expense that Jon can deduct as itemized deduction:
= $375
Explanation:
a) Data and Calculations:
Adjusted gross income = $40,000
Incurred medical expenses:
Drugs and medicines prescribed by doctors $300
Health insurance premiums $750
Doctors' fees $2,250
Eyeglasses $75
Total = $3,375
Under Tax Cuts and Jobs Act (TCJA), the medical expenses which can be deducted as an itemized deduction on the federal income tax return are only to the extent that they exceed 7.5% of adjusted gross income (AGI).
7.5% of $40,000 = $3,000
Therefore, Jon can itemize deduction of $375 in medical expense.
Answer:
Inquiry Letter
Sometimes a business can send this to a supplier to find out if they have a certain good in stock.
Purchase Requisition
This is a document used by a department in a company to request that those in charge of procurement acquire some goods for them.
Quotation
This is a document sent by a supplier to the prospective buyer informing them of the goods they have and their selling price.
Purchase Order
This is the document that shows a formal request for goods from a supplier.
Delivery Note
This is used to confirm that the buyer has received the goods they ordered. The buyer will typically sign this document to confirm receipt.
Invoice
A supplier prepares and sends this to the buyer to show them the goods they ordered and the prices so that the buyer knows how much they owe.
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