Ospika Products has projected the following sales for the coming year:

$,Q1,Q2,Q3,Q4$

Sales $$870,$$$950,$$$910,$$$1,010$

Sales in the year following this one are projected to be $15\%$ greater in each quarter.

a$.$ Calculate payments to suppliers assuming that Ospika places orders during each quarter equal to $30\%$ of projected sales for the

next quarter. Assume that Ospika pays immediately. $($Round the final answers to $2$ decimal places. Omit $"$$$"$ sign in your response.$)$

b$.$ Calculate payment to suppliers assuming a $90-$day payables period. $($Omit $"$$$"$ sign in your response.$)$

c$.$ Calculate payment to suppliers assuming a $60-$day payables period. $($Do not round intermediate calculations. Round the final

answers to $2$ decimal places. Omit $"$$$"$ sign in your response.$)$