Find the values of the missing items. Assume that the actual sales volume equals actual production volume. (There are no inventory level changes.) (Do not round intermediate calculations. Indicate the effect of each variance by selecting "F" for favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Reported Income Statement (2,500 units) Flexible Sales Price Budget Sales Activity (2,500 units) Master Budget Marketing and Manufacturing Administrative Variance Variance ance (2,600 units) Variance $ 122,500 $ 130,000 Sales revenue Variable manufacturing costs Variable marketing and administrative costs Contribution margin 4,000 F 1,530 F 15,600 $75,850