What is the maximum IRA contribution that Josh can make under each of the following assumptions? Required: Josh is age 20 and single. Josh's only income item is $13,200 interest from a trust fund. Josh is age 40 and single. Josh's only income item is a $31,900 share of ordinary income from a partnership. Josh is age 60 and single. Josh's only income item is $24,200 wages. Josh is age 46 and files a joint return with a spouse. Josh's sole proprietorship generates a $7,720 loss, and the spouse's salary is $43,000