At the end of one day a clearing house member is long 100 contracts, and the settlement price is $50,000 per contract. the original margin is $2,000 per contract. on the following day the member becomes responsible for clearing an additional 20 long contracts, entered into at a price of $51,000 per contract. the settlement price at the end of this day is $50,200. how much does the member have to add to its margin account with the exchange clearing house?

Skychefs, inc. prepares in-flight meals for a number of major airlines. one of the company's products is grilled salmon in dill sauce with baby new potatoes and spring vegetables. during the most recent week, the company prepared 4000 of these meals using 960 direct labor hours. the company paid these direct labor workers a total of $19,200 for this work, or $20.00 per hour. according to standard cost card for this meal, it should require 0.25 direct labour-hours at a cost of $19.75 per hour.1. what is the standard labor-hours allowed (sh) to prepare 4,000 meals? 2. what is the standard labor cost allowed (sh x sr) to prepare 4,000 meals? 3. what is the labor spending variance? 4. what is the labor rate variance and the labor efficiency variance?