Robert Has Just Mailed a Letter of Acceptance in Response

Robert has just mailed a letter of acceptance in response to James's letter offering to sell his hardware store to Robert,when he is knocked down by a car and killed.Jane,Robert's wife and sole heir,wants to run the business,since that is what she and Robert had intended,but James does not believe a woman could run a hardware store and tells her that the deal is off.Discuss Jane's legal position.