hello i need help with these math questions its based on "amortization of mortgages"

all of the questions are provided thank you so much for the help

Question F of 10 A $340,000 townhome in Richmond Hill was purchased with a down payment of 20% of the amount. A 20-year mortgage was taken for the balance. The negotiated fixed interest rate was 4.25% compounded semi-annually for a three-year term with repayments made at the end of every month. a. What is the size ofthe monthly payment? E Found to the nearest cent b. What was the principal balance at the end of the three-year term? E Found to the nearest cent Question 7 of 10 a. What is the size of the monthly payment? Round to the nearest cent b. What was the principal balance at the end of the three-year term? Round to the nearest cent c. By how much did the amortization period shorten if the size of the periodic payments were increased by 15% starting from the 37th payment? Assume the same interest rate. monthsQuestion 8 of 10 Gavin and Holly purchased a $575,000 condominium in Toronto. They paid 20% of the amount as a down payment and secured a 25-year mortage for the balance. They negotiated a fixed interest rate of 3.8% compounded semi-annually for a 5-year term with repayments made at the end of every month. Their mortgage contract also stated that they may prepay up to 15% of the original principal every year without at interest penalty. At the end of the first year, in addition to the regular monthly payment, they made a lump-sum payment of $20,000. a. What was the size of the monthly payment? Round to the nearest cent b. What was the principal balance at the end of the first year?Question 8 of 10 a. What was the size of the monthly payment? Round to the nearest cent b. What was the principal balance at the end of the first year? Round to the nearest cent c. By how much did the amortization period shorten after they made the lump sum payment at the end of the first year? monthsQuestion'9of10 A 25-year. $440,000 mortgage at 4.30% compounded quarterly is repaid with monthly payments. a. What is the size of the monthly payments? E Round to the nearest cent. b. Find the balance of the mortgage at the end of E years? E Round to the nearest cent. Question 90f 10 a. What is the size of the monthly paymenE? E Round to the nearest cent. [1. Find the balance of the mortgage at the end of E years? E Round to the nearest cent. 1:. By how much did the amortization period shorten by if the monthly payments are increased by $1 St] at the end of year six? I: years I: months Express the answer in years and months, rounded to the next payment period. Question 10 of 10 A $34,{i{i mortgage at 4.00% compounded semi-annually was settled with monthly payments of $2,925. a. 1What is the amortization period for the mortgage? years months Express the answer in years and months, rounded to the next payment period b. How much will the amortization period be shortened by if weekly payments of $1,500 are made instead of the monthly payments? years months Express the answer in years and months, rounded to the next payment period