please answer the following w/explanation, will upvote once answered! thank you in advance!

(1) An investor takes a long position in a 6-month forward contract in April on a stock that pays a dividend of $3 in July. The stock price is $50 in April. In July after the dividend payout, the stock price is $60. What is the value of the investor's forward contract in July? Assume the simple interest rates are 2% for three months and 4% for six months