Compute the amount of the periodic payments for each of the following loans:

Required:

Part $1)$ A $25-$year, $$290,000$ mortgage with monthly payments and varying interest rates.

Part $2)$ A $25-$year, $$295,000$ loan with semiannual payments and varying interest rates.

Part $3)$ A $$44,500$ car loan with monthly payments and varying terms.