“In any family law proceeding, the owner of property and the earner of income bears the burden of establishing the value of his or her assets and the quantum of his or her income. In some cases, this obligation extends to the creation and production of a formal written expert report, including an income analysis. Tonogai v. Tonogai, 2021 ONSC 2366 at 22-25, Michi v. Michi, 2008 CarswellOnt 118 at 55, Meeser v. Meeser, 2011 ONSC 6517 at 62.”