Under a partial release clause, a lender: a. accelerates the loan if the security property is sold b. declares the entire loan balance due in the event of default c. imposes a penalty when part of the principal is repaid before it is due d. removes the lien from part of the property when part of the debt has been paid

D. Removes the lien from part of the property when part of the debt has been paid. This clause is used in commercial loans to allow a developer to repay part of the debt to remove the lien on part of the property. It is negotiated for agreed-upon payments to free multiple parcels of property separately to encourage development. 

$527.7.if the following was the question  $527.7 is the answer.students who are trying to raise funds have an agreement with a local pizza chain. the chain has agreed to sell them pizzas at a discount, which the students can then resell to families in the local community for a profit. it is expected that of the 500 families in the community, at most 70% will buy pizza. based on a survey of their personal preferences, the students believe that they should order no more than 120 cheese pizzas, no more than 150 pepperoni pizzas, and no more than 100 vegetarian pizzas. they also want to make sure that at least 20% of the total pizzas are cheese and at least 50% of the pizzas are pepperoni. they make a profit of $1.45, $1.75, and $1.98, respectively, for each cheese, pepperoni, and vegetarian pizza they resell. how many pizzas of each type should they buy?