Oprah Winfrey ha closed on a 42- acre estate near Santa Barbara California for $50,000,000 If Oprah puts down 20% down and finances at 7% for 30 years what would be her monthly pay payment.

To calculate Oprah Winfrey's monthly mortgage payment, we need to use the loan amount, interest rate, and loan term.

First, let's calculate the loan amount. If she put down 20% of the purchase price, we can calculate it as follows:

Loan amount = Purchase price - Down payment
Loan amount = $50,000,000 - (20% of $50,000,000)

To find 20% of $50,000,000, we need to multiply the purchase price by 0.20:
Down payment = $50,000,000 x 0.20

Now, we can calculate the loan amount using the formula above:

Loan amount = $50,000,000 - ($50,000,000 x 0.20)

Next, let's calculate the monthly payment using the loan amount, interest rate, and loan term. We can use the formula for a fixed-rate mortgage payment:

M = P [ i(1 + i)^n ] / [ (1 + i)^n – 1 ]

Where:
M = Monthly mortgage payment
P = Loan amount
i = Monthly interest rate
n = Number of monthly payments

First, let's convert the annual interest rate to a monthly rate:
Monthly interest rate = Annual interest rate / 12
Monthly interest rate = 7% / 12

Next, let's calculate the number of monthly payments using the loan term:
Number of monthly payments = Loan term (in years) x 12
Number of monthly payments = 30 years x 12

Now we have all the necessary information to calculate Oprah's monthly mortgage payment. Let's substitute the values into the formula:

M = Loan amount [ i(1 + i)^n ] / [ (1 + i)^n – 1 ]

Now, we can input the values:
M = Loan amount [ i(1 + i)^n ] / [ (1 + i)^n – 1 ]
M = Loan amount [ (i(1 + i)^n) / (1 + i)^n – 1 ]

Calculate the monthly payment by substituting the values:
M = Loan amount [ (i(1 + i)^n) / (1 + i)^n – 1 ]

Now, you can use a calculator or spreadsheet software to calculate the monthly mortgage payment using the formula above, where Loan amount is the amount you calculated earlier, i is the monthly interest rate, and n is the number of monthly payments.