John is a self-employed computer consultant who lives and works in dallas. john paid for the following activities in conjunction with his business. which is not deductible in any amount?
a. dinner with a potential client where the client's business was discussed.
b. a trip to houston to negotiate a contract.
c. a seminar in houston on new developments in the software industry.
d. a trip to new york to visit a school chum who is also interested in computers.

a. $48.75

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a manufacturer of printed circuit boards uses exponential smoothing with trend to forecast monthly demand of its product. at the end of december, the company wishes to forecast sales for january. the estimate of trend through november has been 200 additional boards sold per month. average sales have been around 1000 units per month. the demand for december was 1100 units. the company uses α = 0.20 and β = 0.10. make a forecast including trend for the month of january.