please help!

There is no income and storage cost for owning a commodity and the trader can buy the commodity for $1300 per pound and sell it for $1100 per ounce. The trader can borrow funds at 6.5% per year and invest funds at 5% per year. (These two interest rates are expressed with continuous compounding.) a) For what range of one-year forward prices does the trader have no arbitrage opportunities? Assume the bid and offer for a forward price are the same. b) What is the annual compounding interest rate for the trader to borrow funds in this case