Under the permitted disparity rules applicable to integrated qualified pension plans, which of the following would the XYZ Corporation be permitted? A base contribution of \\( 4 \\% \\) and an excess contribution of \\( 11 \\% \\) A base contribution of \\( 2 \\% \\) and an excess contribution of \\( 9 \\% \\) A base contribution of \\( 5.3 \\% \\) and an excess contribution of \\( 15 \\% \\) A base contribution of \\( 7.3 \\% \\) and an excess contribution of \\( 13 \\% \\)