During the current year, Codding Corporation, a C corporation in the financial services business, made charitable contributions to qualified organizations as follows:

$(1)$ Stock $($basis of $$20,000,$ fair market value of $$45,000)$ in Drab Corporation, held for six months as an investment, to the Salvation Army. $($Salvation Army plans on selling the stock.$)$

$(2)$ Painting $($basis of $$90,000,$ fair market value of $$250,000),$ held for four years as an investment, to the Museum of Fine Arts. $($The Museum plans on including the painting in its collection.$)$

Codding Corporation$$s taxable income $($before any charitable contribution deduction$)$ is $$1\mathrm{.}8$ million.

a$.$ What is the total amount of Codding$$s charitable contributions for the year?

b$.$ What is the amount of Codding$$s charitable contribution deduction in the current year, and what happens to any excess charitable contribution, if any?