Returns were filed and accepted in 2020 MFS. Couple wishes to amend to MFJ, using wife as taxpayer and husband as spouse. Both spouses received refunds in 2020; wife's refund was approx $3,000, and husband's was approx $130. By filing jointly, software is saying they will be due an additional $2800, but I cannot see anywhere that the software is taking into account the $130 already received by the husband. How do I ensure that the spouse's refund is taken into consideration and not double paid?