Which one of the following statements is true? select one: a. if the materials price variance is unfavorable, then the materials quantity variance must also be unfavorable. b. if the materials price variance is unfavorable, then the materials quantity variance must be favorable. c. price and quantity variances move in the same direction. if one is favorable, the others will be as well. d. there is no correlation of favorable or unfavorable for price and quantity variances. check

In 2018, laureen is currently single. she paid $2,800 of qualified tuition and related expenses for each of her twin daughters sheri and meri to attend state university as freshmen ($2,800 each for a total of $5,600). sheri and meri qualify as laureen’s dependents. laureen also paid $1,900 for her son ryan’s (also laureen’s dependent) tuition and related expenses to attend his junior year at state university. finally, laureen paid $1,200 for herself to attend seminars at a community college to her improve her job skills.what is the maximum amount of education credits laureen can claim for these expenditures in each of the following alternative scenarios? a. laureen's agi is $45,000.b. laureen’s agi is $95,000.c. laureen’s agi is $45,000 and laureen paid $12,000 (not $1,900) for ryan to attend graduate school (i.e, his fifth year, not his junior year).