n1 Primarily at issue is paragraph 10 of the agreement, which provided, in pertinent part, as follows: "CONTROL AND EARNINGS OF BOTH HUSBAND AND WIFE DURING MARRIAGE. We agree that all the earnings and accumulations resulting from the other's personal services, skill, efforts and work, together with all property acquired with funds and income derived therefrom, shall be the separate property of that spouse. [P] The earnings from husband and wife during marriage shall be: [P] separate property of that spouse." The agreement also contained provisions concerning support obligations and the disposition of property upon dissolution of the marriage, including a proviso that "Each of us shall receive free and clear of all claim of the other spouse that property which was the separate property of each spouse prior to marriage . . . and as may be later acquired as separate property."