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" or favorable, or "U" for unfavorable. If there is no effect, do not select either option.) Reported Income Statement (2,400 units) Flexible Budget (2,400 units) Marketing and Administrative Variance Master Budget Sales Activity Sales Price Variance Manufacturing Variance Variance(2,600 units) S 129,600 Sales revenue Variable manufacturing costs Variable marketing and administrative costs Contribution margin 120,000 S 4,320F 3,100 F 15,600 S 74.920