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Income & Contribution Equity Analysis

Based on 8 months of transaction data (Jul 2025 – Feb 2026).

Household Income

GrossTake-HomePer CheckFrequency% of Household
Chris$225,000/yr$10,983/mo$5,069Every 2 weeks57%
Jennifer$170,000/yr$8,400/mo$4,2002x/month43%
Household$395,000/yr$19,383/mo

Current Split

Household spending flows through three accounts:

AccountAvg SpendingFunded By
BofA Checking (joint)$14,473/moBoth deposit into this
Credit Union (Chris's card)$1,832/moChris's personal funds
Chase (joint card)$1,366/moAutopaid from BofA joint
Total$16,305/mo

Who deposits what into BofA joint:

Deposits to Joint+ Personal CardsTotal Contribution% of SpendingPersonal $ Left
Chris$8,905/mo$1,832 (CU)$10,737/mo72%$246/mo
Jennifer$4,169/mo$0$4,169/mo28%$4,231/mo

Chris is covering 72% of household spending while earning 57% of income. Chris has $246/mo personal money. Jennifer has $4,231/mo.

Rebalancing Options

Option A: Proportional to Income (57/43)

Each contributes the same percentage of their paycheck.

Contributes%Keeps Personal
Chris$9,239/mo57%$1,744/mo
Jennifer$7,066/mo43%$1,334/mo
  • Jennifer's BofA deposit goes from ~$4,169 → ~$7,066
  • Chris's BofA deposit drops from ~$8,905 → ~$7,407 (or keep CU card and deposit ~$5,575)
  • Higher earner keeps more in raw dollars

Option B: Equal Personal Money

Both end up with the same personal spending money.

Contributes%Keeps Personal
Chris$9,444/mo58%$1,539/mo
Jennifer$6,861/mo42%$1,539/mo
  • Jennifer's BofA deposit goes from ~$4,169 → ~$6,861
  • Both keep $1,539/mo for personal spending
  • Simplest to manage — neither person has more or less

Option C: Current (no change)

Contributes%Keeps Personal
Chris$10,737/mo72%$246/mo
Jennifer$4,169/mo28%$4,231/mo

Summary of Change Needed

OptionJennifer's BofA DepositChange from Current
Current$4,169/mo
Proportional (57/43)$7,066/mo+$2,897/mo
Equal personal money$6,861/mo+$2,692/mo