Wember catering uses two measures of activity, jobs and meals, in the cost formulas in its budgets and performance reports. the cost formula for catering supplies is $450 per month plus $75 per job plus $10 per meal. a typical job involves serving a number of meals to guests at a corporate function or at a host's home. the company expected its activity in september to be 27 jobs and 146 meals, but the actual activity was 23 jobs and 143 meals. the actual cost for catering supplies in september was $3,435. the catering supplies in the planning budget for september would be closest to:

Richardson hired j.c. flood company, a plumbing contractor, to correct a stoppage in the sewer line of her house. the plumbing company's 'snake' device, used to clear the line leading to the main sewer, became caught in the underground line. to release it, the company excavated a portion of the sewer line in richardson's backyard. in the process, the company discovered numerous leaks in a rusty, defective water pipe that ran parallel with the sewer line. to meet public regulations, the water pipe, of a type no longer approved for such service, had to be replaced either then or later, when the yard would have to be excavated again. the plumbing company proceeded to repair the water pipe. though richardson inspected the company's work daily and did not express any objection to the extra work involved in replacing the water pipe, she refused to pay any part of the total bill after the company completed the entire operation. j.c. flood company then sued richardson for the costs of labor and material it had furnished. (c) for what, if anything, should richardson be liable? explain."

True or false: a fitted model with more predictors will necessarily have a lower training set error than a model with fewer predictors.

Your family business uses a secret recipe to produce salsa and distributes it through both smaller specialty stores and chain supermarkets. the chain supermarkets have been demanding sizable discounts, but you do not want to drop your prices to the specialty stores. true or false: the robinson-patman act limits your ability to offer discounts to the chain supermarkets while leaving the price high for the smaller stores. true false