>> jiang: now to the skyrocketing cost of child care. according to a new study by lending tree, the average annual cost is up 41% since the start of the pandemic, impacting more than just young parents. cbs' mark strassmann shows us who else is paying the price. >> do you show everyone how you wash your hands? >> reporter: for cassandra d'alesandro, little gavin's ainfection softens the squeeze of a broken system-- the cost of daycare in america. at one point taking almost half this architect's after-tax income. >> i felt like i should scream, cry, and vomit all at the same time. you know, you have this repetitive question-- is it worth it? >> reporter: except for washington, d.c., massachusetts has america's most expensive child care. for a four-year-old, that cost averages $15,000 a year. an infant, almost $21,000.